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![]() ![]() ![]() ![]() KCPE PAST PAPERS 2016 SCIENCE QUESTIONS AND ANSWERS
Question 26.
Which one of the following pairs of signs and symptoms is for cholera?
Question 27.
Large burrows in the soil indicate
Question 28.
Which one of the following statements is true about clay soil?
Question 29.
Which one of the following soil conservation measures conserves soil in the same way as mulching?
Question 30.
The following statements are true about breast milk except
Question 31.
A child who appears old with a wrinkled face is also likely to
Question 32.
Which one of the following groups consists only of foods that will provide energy to the body?
Question 33.
The diagram below illustrates a jiko.
It is an improved jiko because the part labelled
Question 34.
Which one of the following sources of energy is exhaustible?
Question 35.
Which one of the following is an efficient way of using energy?
Question 36.
The following can produce electricity except
Question 37.
A card with the word TEACHER written on it was placed in front of a mirror.
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After using a magnet, the next stage of separating a mixture of salt, sand and iron fillings is to
- A. filter the mixture
- B. decant the mixture
- C. add water to the mixture
- D. sieve the mixture.
The diagram below shows a set up used by pupils to demonstrate a certain property of matter.
- A. use balls of wax of the same size
- B. place balls of wax at equal intervals
- C. use a plank of wood ‘
- D. place the candle at the end of the plank of wood.
Which one of the following groups of materials are correctly matched to magnetic and non magnetic?
- A. Office pins steel wool
- B. Staples copper coin
- C. Aluminium foil nails
- D. Silver coin glass
Which one of the following machines works in the same way as a staircase?
- A. Spade.
- B. Claw hammer.
- C. Crowbar.
- D. Ladder.
Which one of the following practices will help to control soil pollution?
- A. Burning wastes in dump sites.
- B. Using organic fertilisers.
- C. Grouping wastes into categories.
- D. Planting cover crops.
Which one of the following pairs correctly represents living and non-living components of the environment?
- A. Soil bat.
- B. Chameleon mushroom plant.
- C. earthworm water.
- D. Oxygen mineral salts.
The following are some ways by which soil is conserved.
(ii) Trapping soil
(iii) Reducing evaporation of soil water
(iv) Reducing impact of rain drops.
Which two ways are as result of contour farming
- A. (i) and (ii)
- B. (ii) and (iii)
- C. (iii) and (iv)
- D. (i) and (iv)
Which one of the following practices would help in maintaining strong teeth in humans?
- A. Drinking milk.
- B. Using tooth picks after meals.
- C. Using teeth to break hard objects.
- D. Eating of bread.
The diagram below represents a lever in use.
In which one of the following is friction reduced by streamlining?
A. Biro pen casing.
B. Skating shoes.
C. Shoe soles.
D. Vehicle bodies.
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FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT - DOWNLOAD MORE KCPE 2016 PAST PAPERS AND MARKING SCHEMES​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2016-past-papers-questions-answers-reports

KCPE PAST PAPERS 2016 SCIENCE QUESTIONS AND ANSWERS
Which one of the following characteristics can be used to identify molars?
Presence of
- A. one root and chisel shape
- B. cusps and ridges
- C. one root and cusps
- D. ridges and chisel shape.
The following are functions of the trachea except
- A. trapping dust
- B. moistening air
- C. warming air
- D. exchanging gases.
Which one of the following parts of the alimentary canal is correctly matched to its function?
The diagram below represents the structure of a human heart.
The diagram below represents a female reproductive system.
Which one of the following is a health effect of drug abuse?
- A. Withdrawal.
- B. Marital conflict.
- C. Truancy.
- D. Rape.
The first stage of HIV infection is known as
- A. incubation
- B. widow
- C. symptomatic
- D. asymptomatic
Which one of the following vaccines are correctly matched to the age when they are first administered?
Which one of the following diseases can be prevented by draining stagnant water around homesteads?
- A. Tuberculosis.
- B. Typhoid.
- C. Cholera.
- D. Malaria.
A patient was instructed by a doctor to take two tablets of medicine every six hours. However, the patient forgot to take at noon and on remembering took four tablets at the same time.
The patient should have
- A. taken three tablets every six hours
- B. taken two tablets every three hours
- C. revisited the doctor for advice
- D. thrown away the two extra tablets.
Which one of the following pairs consists only of illegal drugs in Kenya?
- A. Alcohol and miraa.
- B. Miraa and mandrax.
- C. Alcohol and bhang.
- D. Bhang and mandrax.
Which one of the following weeds has green-purple leaves?
- A. Mexican marigold. .
- B. Blackjack.
- C. Pig weed.
- D. Sodom apple.
Which one of the following pairs of plants stores food in the roots?
- A. Irish potato and cassava.
- B. Cassava and carrot.
- C. Onion and carrot.
- D. Irish potato and onion.
Which one of the following statements on interdependence between plants is not true? Some plants
- A. depend on others for carbon dioxide
- B. grow on dead plants
- C. depend on others for protection against strong sunlight
- D. depend on others for support.
Which one of the following crop pests is correctly matched to the part of the plant it damages?
Which one of the following groups of plants consists of only flowering plants?
- A. Onion, sisal, nappier grass.
- B. Maize, kales, toadstools.
- C. Beans, mushrooms, peas.
- D. Euphorbia, cactus, moulds.
Which one of the following diagrams represents the shape of the new moon?
In the solar system, Jupiter is found between
- A. Mercury and Saturn.
- B. Mars and Earth.
- C Saturn and Mars.
- D. Earth and Mercury.
Pupils observed and classified certain animals into two groups E and F as shown below?
- A. carnivorous and herbivorous
- B. animals covered with fur and animals covered with scales .
- C. constant and varying body temperature
- D. animals which give birth to young ones and those which lay eggs.
Standard five pupils observed a goat tied on a post to graze in the field. This method of grazing is classified as
- A. rotational grazing
- B. zero grazing
- C. strip grazing
- D. paddocking.
The diagrams below represents beaks of certain birds.
Which one of the following methods of controlling animal parasites is correctly matched to the parasite controlled?
Pupils gave the following statements about water.
(ii) Has a pleasant taste
(iii) Has mineral salts
(iv) Good for cleaning
Which two statements describe hard water?
- A. (i) and (ii)
- B. (ii) and (iii)
- C. (iii) and (iv)
- D. (i) and (iv)
Which one of the following pairs of diseases is as a result of drinking polluted water?
- A. Bilharzia and typhoid. . .
- B. Typhoid and cholera.
- C. Cholera and bilharzia.
- D. Malaria and cholera.
In which one of the following practices is water recycled?
- A. Storing water for future use.
- B. Recovering clean water from dirty water.
- C. Harvesting rain water from roof tops.
- D. Fetching water from a well.
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FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT - DOWNLOAD MORE KCPE 2016 PAST PAPERS AND MARKING SCHEMES​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2016-past-papers-questions-answers-reports

KCPE PAST PAPERS 2015 SCIENCE QUESTIONS AND ANSWERS
The most effective control measure against 111V transmission from mother to child is
- A. public awareness on HJV/AIDS
- B. voluntary counselling and testing
- C. mass education
- D. campaign through various media.
The surrounding of an organism is described as its
- A. environment
- B. home
- C. shelter
- D. habitat.
The diagram below shows parts of the human heart.
- A. V
- B. W
- c. X
- D. Y
Which one of the following is the most commonly abused drug in Kenya?
- A. Khat.
- B. Glue.
- C. Tobacco.
- D. Alcohol.
The following materials can be used to construct a certain weather instrument:
(ii) large plastic bottle
(iii) manila paper
(iv) cello tape.
The weather instrument likely to be constructed is
- A. air thermometer
- B. wind vane
- C. rain gauge
- D. liquid thermometer.
Which one of the following uses of water is not practised on the farm?
- A. Mixing chemicals.
- B. Washing toilet.
- C. Cleaning implements.
- D. Irrigation.
An example of a lever in which the load is between the effort and fulcrum is
- A. wheelbarrow
- B. spade
- C. claw hammer
- D. crowbar.
Which one of the following statements describes hard water?
- A. Contains less mineral salts.
- B. Lathers easily.
- C. Boiled water.
- D. Discolours clothes.
The following are some characteristics of plants:
(ii) silvery hairs
(iii) flexible stems
(iv) more stomata on lower leaf surface
(v) air sacs
Which pair of characteristics is for plants adapted to wet areas?
- A. (ii) and (iv)
- B. (i)and(v)
- C. (iii) and (iv)
- D. (i) and (ii)
Which one of the following is an example of a harmful animal?
- A. Turkey.
- B. Donkey.
- C. Termite.
- D. Dog.
The following are misconceptions about HIV and AIDS EXCEPT
- A. HIV and AIDS is a curse
- B. sex with a young girl cures HIV and AIDS
- C. HIV and AIDS has no cure
- D. all thin people have AIDS.
Which one of the following is the least effective preventive measure against the spread of typhoid?
- A. Washing vegetables and fruit.
- B. Washing hands after visiting a toilet.
- C. Proper use of latrines and toilets.
- D. Draining stagnant water.
During a thunderstorm, pupils were observed
(ii) wearing red jackets in a classroom
(iii) playing on the football pitch
(iv) lying on the ground in the classroom.
In which pair of observations are the pupils more likely to be struck by lightning?
- A. (i) and (iii)
- B. (i) and (iv)
- C. (ii) and (iii)
- D. (ii) and (iv)
In which one of the following activities is renewable energy in use?
- A. Driving a petrol powered car.
- B. Using a windmill to grind maize.
- C. Cooking on energy saving charcoal stove.
- D. Using coal to generate electricity.
Which one of the following mixtures can be separated by either picking or sieving?
- A. Maize and beans.
- B. Rice and sorghum.
- C. Maize and millet.
- D. Green grams and peas.
Which one of the following is a way of maintaining simple tools?
- A. Cleaning before use.
- B. Storing in a safe place.
- C. Using a tool for several purposes.
- D. Oiling.
The following are some of the materials that were provided to pupils for making a beam balance:
(ii) wires
(iii) plank of wood
(iv) nails
Which one of the following materials was missing?
- A. Stand.
- B. Strings.
- C. Scale.
- D. Pins.
Which one of the following is an effect of air pollution on non-living things?
- A. Impairs visibility.
- B. Damages iron sheets.
- C. Causes wilting.
- D. Interferes with photosynthesis.
To model the solar system, the following materials can be used:
(ii) clay
(iii) pins
(iv) glue
(v) manila paper.
Which one of the following materials would be most suitable to use instead of the pins?
- A. Wax.
- B. Plasticine.
- C. Pieces of barbed wire.
- D. Pieces of cello tape.
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Which one of the following statements is true about splash erosion?
- A. Forms shallow trenches.
- B. Caused by wind and water.
- C. Removes a thin layer of soil.
- D. Occurs below roofs of buildings.
Which one of the following practices is the most effective in prevention of food poisoning from packed foods?
- A. Washing hands before handling it.
- B. Checking the expiry date.
- C. Proper storage
- D. Proper cooking.
The diagram below shows a set-up to demonstrate a certain aspect of matter
- A. Air gets into the balloon.
- B. Heat enters the balloon.
- C. Water enters into the bottle.
- D. Balloon contracts.
The following statements are true about energy except
- A. it causes motion
- B. it can be conserved
- C. it changes from one form to another
- D. is the ability to do work.
Which one of the following pairs of materials is suitable for demonstrating the formation of a rainbow when using the sun as a source of light?
- A. Ruler and mirror.
- B. Mirror and water.
- C. Mirror and white screen.
- D. Glass container and mirror.
Which one of the following materials will not form a shadow when light is shone on it?
- A. White paper.
- B. Mirror.
- C. Glass of a lamp.
- D. Sheet of Aluminium.
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FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT - DOWNLOAD MORE KCPE 2015 PAST PAPERS AND MARKING SCHEMES​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2015-past-papers-questions-answers-and-reports

​KCPE PAST PAPERS 2015: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]
The main function of the hair and mucus found in the breathing system is to
- A. help in exchange of gases
- B. clean the air
- C. protect the nose
- D. keep the trachea open.
The following are characteristics of a certain type of tooth:
(ii) chisel shaped
(iii) has one root
The type of tooth described is a
- A. molar
- B. canine
- C. premolar
- D. incisor.
Which one of the following pairs of diseases is correctly matched with the time of immunization?
Which is the last stage in energy transformation when a kerosene stove is burning?
- A. Chemical.
- B. Heat.
- C. Light.
- D. Sound.
The diagram below represents a set-up that can be used to demonstrate a certain aspect of heat energy.
- A. radiation and convection
- B. expansion and conduction
- C. convection and conduction
- D. expansion and radiation.
Which one of the following is a compound fertilizer?
- A. Muriate of potash
- B. Triple Super Phosphate
- C. Sulphate of Ammonia
- D. Mono Ammonium phosphate
Which one of the following statements is correct about the digestive system?
- A. Oesophagus makes it easy for food absorption.
- B. Stomach mixes food with digestive juices.
- C. Digestion of food occurs in the large intestine.
- D. Water is absorbed in the small intestine.
The picture below represents a type of interdependence between plants.
- A. support
- B. shade
- C. habitat
- D. shelter.
A pupil used water that had been used in rinsing clothes to mop the floor. Which method of water conservation did the pupil practice?
- A. Re-using water.
- B. Using water sparingly.
- C. Recycling water.
- D. Water harvesting.
The importance of fibre in the human diet is to help in the
- A. digestion of food
- B. movement of food
- C. absorption of water
- D. absorption of nutrients.
The following are characteristics of a certain animal:
(ii) has constant temperature
(iii) has a hairy body
The animal is likely to be
- A. ostrich
- B. spiny anteater
- C. whale
- D. bat.
The picture below shows a tomato plant with a sign of crop disease.
- A. leaf curling
- B. spots
- C. streaks
- D. wilting.
Which one of the following components of air is correctly matched to its percentage?
Which one of the following is a social effect of drug abuse?
- A. Truancy.
- B. Fits.
- C. Withdrawal.
- D. Addiction.
he chart below represents a simple classification of plants.
- A. Moulds.
- B. Pine.
- C. Toadstool.
- D. Fern.
A child has the following signs and symptoms:
(ii) pale skin
(iii) dizziness.
Which one of the following foods should the child feed on?
- A. Yams and cassava.
- B. Beans and maize.
- C. Kidney and spinach.
- D. Carrots and pineapples.
Which one of the following materials is non magnetic?
- A. Copper wire.
- B. Steel wool.
- C. Office pin.
- D. Razor blade.
Which one of the following statements is correct about proper use and storage of medicine?
- A. Sharing medicine with family members.
- B. Labelling medicine containers.
- C. Keeping medicine in a well lit place.
- D. Storing medicine in sealed water bottles.
Anaemia and irritation in livestock can be a sign of attack by
- A. liver flukes
- B. tapeworms
- C. tsetse flies
- D. round worms.
Which of the following body fluids is the least likely to transmit HIV?
- A. Breast milk.
- B. Semen.
- C. Vaginal secretions.
- D. Saliva.
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The picture below shows parts of a flower.
Which one of the following physical changes observed in boys and girls during adolescence is not correctly matched?
- A. Voice breaks Pubic hair grows
- B. Wet dreams Hips broaden
- C. Pimples on face Chest broadens
- D. Pubic hair grows Pimples on face
Which one of the following livestock parasite control measures can be applied for both ticks and tapeworms?
- A. Rotational grazing.
- B. Dipping.
- C. Deworming.
- D. Spraying.
Which one of the following methods will mainly conserve soil and not water?
- A. Mulching.
- B. Terracing.
- C. Cover crops.
- D. Gabions.
In a certain activity, a sample of soil was mixed with water in a transparent container, shaken and allowed to settle.
This was to investigate soil
- A. drainage
- B. fertility
- C. composition
- D. capillarity.
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FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT - DOWNLOAD MORE KCPE 2015 PAST PAPERS AND MARKING SCHEMES​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2015-past-papers-questions-answers-and-reports

​2014 SCIENCE QUESTIONS AND ANSWERS
Which one of the following components of blood is correctly matched with its function?
The following are some effects of drug abuse:
(ii) Addiction
(iii) Truancy
(iv) Impaired judgment
(v) Drug induced accidents.
Which one of the following consists only of social effects?
- A. (i) (ii) (iv).
- B. (ii) (iii) (iv).
- C. (i) (iii) (y).
- D. (i)(iv)(v).
Pupils constructed a weather instrument shown below.
- A. using coloured water
- B. placement of the scale
- C. using a narrow tube
- D. closing the cork tightly.
Which one of the following pairs consists only of plants that directly feed on insects?
- A. Pitcher plant and sundew.
- B. Mushroom and butter wort.
- C. Sunflower and pitcher
- D. Sundew and toadstool.
The chart below shows a simple classification of plants.
Which one of the following pairs consists only of farm animals that produce mutton?
- A. Cow and goat.
- B. Goat and sheep.
- C. Cow and sheep.
- D. Sheep and pig.
The following are some characteristics of animals:
(ii) Lay eggs.
(iii) Have scales.
(iv) Have a backbone.
Which two characteristics are for both toad and duck?
- A. (i) and (iii).
- B. (i) and (ii).
- C. (ii) and (iv).
- D. (iii) and (iv).
The method of grazing that would require the largest piece of land to practice is
- A. herding
- B. stall feeding
- C. tethering
- D. paddocking.
Which of the following pairs of machines consists only of inclined planes
- A. Ladder and staircase.
- B. Staircase and wheelbarrow.
- C. Claw hammer and ladder.
- D. Spade and craw bar.
In which one of the following is friction an advantage?
- A. Skating on ice.
- B. Swimming in water.
- C. Production of heat in moving parts.
- D. Braking of a bicycle on a road.
In an investigation on factors affecting sinking and floating pupils carried out the following activities:
(ii) made the same bottle top into a ball and placed it on water.
Which one of the following factors were the pupils investigating?
- A. Size.
- B. Shape.
- C. Type of material.
- D. Mass.
Heat transfer in liquids and gases mainly takes place through
- A. radiation
- B. convection and conduction
- C. convection
- D. conduction and radiation.
Which one of the following is a transparent material?
- A. Kerosene.
- B. Mirror.
- C. Frosted glass.
- D. White paper.
Which one of the following ¡s a safety measure against lightning when it is raining?
- A. Leaning against walls.
- B. Walking on open areas.
- C. Wearing rubber shoes.
- D. Using an umbrella.
Which one of the following nutrients is required for the formation of blood in expectant mothers?
- A. Vitamin D.
- B. Calcium.
- C. Phosphorus.
- D. Iron.
Which one of the following soil conservation measures is least suitable on a large piece of land?
- A. Terracing.
- B. Mulching.
- C. Tree planting.
- D. Contour farming.
When pupils heated some garden soil, smoke was produced. The observation made indicated the presence of
- A. organic matter
- B. air
- C. mineral particles
- D. water.
The following are some characteristics of soil:
(ii) cracks when dry.
(iii) poor drainage.
(iv) good capillarity.
The characteristics are for
- A. loam soil only
- B. loam and sand soil
- C. clay soil only
- D. loam and clay soil.
Pupils went for a nature walk and observed a plant with yellow fruits and thorns on the stem.
- A. Mexican marigold
- B. pig weed
- C. blackjack
- D. Sodom apple.
Which one of the following groups only consists of materials that are non-magnetic?
- A. Piece of glass, silver coin, cello tape.
- B. Nail, steel wool, spoon.
- C. Scissors, razor blade, piece of glass.
- D. Staple pins, sowing needle, aluminium.
Which one of the following groups consists only of gases that comprise 0.03, 0.97 and 21 percentage in air respectively?
- A. Inert gases, oxygen and nitrogen.
- B. Carbon dioxide, inert gases and oxygen.
- C. Inert gases, carbon dioxide and nitrogen.
- D. Carbon dioxide, oxygen and nitrogen.
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One of the following is not a component of soil?
- A. Rock particles.
- B. Water.
- C. Plant.
- D. Air.
The diagram below represents a set up that can he used to investigate good and poor conductors of electricity’?
- A. Pencil.
- B. Aluminium foil.
- C. Steel wool.
- D. Rubber band.
The diagram below represents a claw hammer in use.
- A. V and Y.
- B. W and X.
- C. V and X.
- D. W and Y.
In a certain investigation pupils sat at different positions around a pupil who was ringing a hell.
- A. Special sounds.
- B. Loud and soft sound.
- C. Noise pollution.
- D. Direction of sound.
-
FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT - DOWNLOAD MORE KCPE 2014 PAST PAPERS AND MARKING SCHEMES​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2014-past-papers-questions-answers-and-reports

​KCPE PAST PAPERS 2014: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]
In the human body digested food is absorbed in the
- A. stomach
- B. large intestines
- C. rectum
- D. small intestines.
The diagram below represents a certain type of human tooth.
- A. gripping and tearing
- B. tearing and grinding
- C. crushing and grinding
- D. biting and crushing.
A certain person looked healthy and strong hut tested positive for HlV/AIDS. In which one of the following stages of HI V/AIDS was the person likely to be?
- A. Window.
- B. Incubation.
- C. Symptomatic.
- D. Full blown.
The following are sexually transmitted infections except
- A. syphilis
- B. gonorrhoea
- C. bilharzia
- D. chancroid.
Which one of the following pairs consists of planets with the longest orbits?
- A. Mars and Mercury.
- B. Venus and Jupiter.
- C. Earth and Saturn.
- D. Neptune and Uranus.
In order to make a certain weather instrument, a pupil assembled the following materials:
Which one of the following instrument was the pupil likely to make?
- A. Wind vane.
- B. Liquid thermometer.
- C. Rain gauge.
- D. Windsock.
The following are some adaptations of plants that grow in wet environment except having
- A. large flat leaves
- B. leaves with waxy upper surface
- C. thick leaf cuticle
- D. an increased number of stomata.
Which one of the following groups consists only of field pests?
- A. Weevils, aphids and weaver birds.
- B. Aphids, weaver birds and white ants.
- C. Weevils, white ants and Stalkborer.
- D. Aphids, weaver birds and Stalkborer.
Which one of the following is a characteristic of amphibians?
- A. Lay their eggs on land.
- B. Live partly in water.
- C. Have moist skin with scales.
- D. Adults breathe through gills.
The diagram below represents a beak of a certain bird.
- A. filter feeder
- B. grain eater
- C. nectar feeder
- D. fish eater.
In which one of the following activities is water used in industries?
- A. Cleaning tools and equipment.
- B. Preparation of soft drinks.
- C. Washing cars.
- D. Watering plants.
Which one of the following is an advantage of hard water?
- A. Saves soap during washing.
- B. Lathers easily with soap.
- C. Forms scum with soap.
- D. Suitable for drinking.
Mary and John were playing on the see saw as shown in the diagram below.
- A. John should move towards the pivot
- B. Mary should move away from pivot
- C. move the pivot towards John
- D. move the pivot towards Mary.
The following are methods of maintaining simple tools:
(ii) Proper storage
(iii) Sharpening cutting edges
(iv) Proper use of tools.
Which pair consists only of methods for safety from accidents?
- A. (ii) and (iv).
- B. (i) and (iv).
- C. (ii) and (iii).
- D. (i) and (iii).
Which one of the following components of air is used for preservation of soft drinks?
- A. Carbon dioxide.
- B. Nitrogen.
- C. Oxygen.
- D. Inert gases.
Which one of the following pairs of processes are as a result of increase and decrease in temperature respectively?
Which one of the following statements is true about liquids and gases?
- A. Liquids have definite volume.
- B. Gases have definite volume.
- C. Liquids have definite shape.
- D. Gases have definite shape.
A mixture of’ salt solution, maize grains and iron filings can be separated by
- A. filtering, use of magnet, evaporation
- B. decanting, picking, winnowing
- C. filtering, decanting, evaporation
- D. winnowing, use of magnet, picking.
The energy transformation that takes place when a torch that uses batteries is switched on is
- A. electrical—>chemical——>heat—>light
- B. electrical—> heat—>chemical—>light
- C. chemical—>electrical--->light——>heat
- D. chemical—>electrical—-->heat——>light.
Formation of a rainbow can be demonstrated by the following activities except when
- A. observing the sun through a horizontally-held transparent biro pen casing
- B. placing a mirror in water to face the sun
- C. spraying water in the air from the mouth in bright sunshine
- D. placing a biro pen casing on water in a glass container.
Which one of the following is a source of electricity?
- A. Torch.
- B. Dam.
- C. Solar panel.
- D. Biogas plant.
Which one of the following consists of foods that are mainly for body building?
- A. beef cassava, potatoes.
- B. mutton, maize, pawpaw.
- C. peas, beans, eggs.
- D. carrots, bananas, tomatoes.
Which one of the following groups of symptoms is correctly matched with the deficiency disease?
Which one of the following pairs consists only of components of environment that produce carbon dioxide?
- A. Air and plants.
- B. Animals and plants.
- C. Water and air.
- D. Soil and animals.
Use of excess fertilisers will mainly pollute
- A. soil and rater
- B. water only
- C. soil and air
- D. soil only.
-
FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT -
DOWNLOAD MORE KCPE 2014 PAST PAPERS AND MARKING SCHEMES​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2014-past-papers-questions-answers-and-reports

​KCPE PAST PAPERS 2013: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]
Which pair of’ plants stores food in the roots?
- A. Sweet potato and carrot.
- B. Irish potato and arrow root.
- C. Carrot and Irish potato.
- D. Onions and cassava.
Which of the following groups of food crops is correctly classified into cereals, legumes and fruits?
The diagram below shows some parts of a flower.
- A. K and L
- B. L and N
- C. K and M
- D. N and M.
Which of the following food chains is correct’?
- A. Grass —> grasshopper —> goat.
- B. Maize —> mice —> snake.
- C. Sunflower —> butterfly —> rabbit.
- D. Grass —> antelope —> rhino.
Which of the following groups of animal feeds mainly provides a diet of proteins, carbohydrates and fats respectively?
- A. Desmodium, clover, sweet potato vines.
- B. Lucern, maize stalks. oats.
- C. Napier grass, sweet potato vines, maize stalks.
- D. Lucern, desmodium, napier grass.
Which of the following groups of foods would provide nutrients suitable for a child suffering from kwashiorkor?
- A. Sorghum, carrots, sweet potatoes.
- B. Oranges, Irish potatoes, sugar cane.
- C. Beef, peas, milk.
- D. Mangoes, arrowroots, spinach.
Bilharzia can be prevented by
- A. boiling water before drinking
- B. wearing gumboots when walking in stagnant water
- C. draining stagnant water from around the homestead
- D. covering latrines after use.
Which of the following uses of water are recreational only?
- A. Transport, cleaning, swimming.
- B. Cleaning, boat racing, mixing chemicals.
- C. Swimming, fishing, boat racing.
- D. Fishing, transport, mixing chemicals.
Which of the following statements about HIV infected persons is correct?
- A. can only be taken care of by health workers
- B. need to visit hospitals for cure
- C. should be provided with a balanced diet
- D. should be discouraged from playing with others.
Excessive use of herbicides and pesticides affect the soil by reducing the
- A. number of animals in the soil
- B. nutrients in the soil
- C. humus content in the soil
- D. water retention in the soil.
Which of the following parts of the human breathing system are both involved in cleaning. warming and moistening air?
- A. Diaphragm and trachea.
- B. Lungs and diaphragm.
- C. Nose and lungs.
- D. Trachea and nose.
Which of the following pairs of livestock parasite control methods can control liver flukes?
- A. Rotational grazing and deworming.
- B. Dipping and spraying of animals.
- C. Rotational grazing and spraying of animals.
- D. Deworming and dipping.
In which of the following are the characteristics of solids and liquids correctly matched?
Which of the following groups of objects consists of only objects that would sink in water?
- A. Piece of chalk, steel needle, cork.
- B. Nail, piece of glass, stone.
- C. Bottle top, nail, cork.
- D. Piece of chalk, plastic bottle, polythene bag.
The following are reasons for fitting a tap near the bottom of a tank except
- A. making gravitational force to act on water
- B. making water to flow faster
- C. to increase pressure
- D. to let all the water out.
The main reason why murram is placed on roads is to
- A. absorb rain water
- B. make the roads last longer
- C. increase grip with tyres
- D. make the roads more attractive.
Which of the following groups of products are correctly classified according to the farm animals producing them?
The following processes are involved in the formation of a zygote in plants
(ii) Pollination
(iii) Fusion
(iv) Pollen tube breaks.
The correct order of the processes is
- A. (ii), (i), (iv), (iii)
- B. (i), (ii), (iv), (iii)
- C. (ii), (i), (iii), (iv)
- D. (iv), (i), (iii), (ii).
Which of the following only consists of energy giving foods?
- A. Lemon and honey.
- B. Butter and coconut.
- C. Eggs and fish.
- D. Bread and pineapple.
|
Which of the following statements describes soft water? Soft water
- A. is clear and clean
- B. requires a lot of soap for washing
- C. is safe for drinking
- D. ¡s water that has been boiled.
In an activity to investigate mixing of liquids, liquid P mixed with liquid Q. Liquid R did not mix with Liquid P and Q. Liquid R mixed with cooking oil.Which one of the following correctly represents liquids P, Q and R?
The diagram below represents a set up used to demonstrate a certain property of light.
- A. refracted from P to the eye
- B. reflected from Q to the eye
- C. refracted from Q to the eye
- D. reflected from P to the eye.
Which one of the following pairs of materials will pollute soil?
- A. Saw dust and artificial fertilizer.
- B. Plastics and artificial fertilizer.
- C. Wood ash and saw dust.
- D. Plastics and iron filings.
In a certain investigation pupils used a straight pipe to observe a candle flame. They then bent the pipe and observed again.
- A. Formation of shadows.
- B. Uses of light.
- C. Sources of light
- D. How light travels.
A pupil was blindfolded and asked to listen as a bell was rang from different positions.
- A. Direction of sound.
- B. Effects of sound pollution.
- C. Loud and soft sounds.
- D. Meaning of special sounds.
-
FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT -
DOWNLOAD MORE KCPE 2013 PAST PAPERS AND MARKING SCHEMES
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​KCPE PAST PAPERS 2013: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]
​Heat is transferred through a vacuum by
- A. convection and conduction’
- B. convection only
- C. conduction and radiation
- D. radiation only.
The best procedure of separating a mixture of sand, maize and salt is
- A. picking, dissolving, filtering. evaporating
- B. dissolving, filtering, picking, evaporating
- C. picking, filtering, dissolving, evaporating
- D. dissolving, decanting, picking, evaporating.
To stop a moving object, the force applied should be
- A. in the same direction as that of the moving object
- B. opposite and less than that of the moving object
- C. equal and in the opposite direction to that of the moving object
- D. perpendicular and more than that of the moving object.
- A. organic matter
- B. water
- C. air
- D. mineral salts.
Which of the following pairs of processes occurs when temperature decreases?
- A. Melting and condensation.
- B. Freezing and melting..
- C. Contraction and evaporation.
- D. Freezing and condensation.
Which one of the following animals has scales on its body?
- A. Chameleon.
- B. Whale.
- C. Toad.
- D. Newt.
The main reason why mothers are encouraged to breast feed their infants is because breast milk
- A. is free from disease causing germs
- B. is at the right temperature for infants
- C. boosts infant immunity
- D. is easily digested by infants.
Splash erosion can be prevented by
- A. use of gabions
- B. mulching
- C. terracing
- D. contour farming.
Newton is the unit for measuring
- A. weight
- B. mass
- C. volume
- D. pressure.
Soil that is good for modelling has
- A. high water drainage
- B. rough texture
- C. high capillarity
- D. large air spaces.
The following are processes that take place during birth in humans
(ii) Contraction of the uterus
(iii) Bursting of the amniotic bag
(iv,) Pushing out of the baby
(v) Cutting of the umbilical cord
Which of the following is the correct order of the processes?
- A. (i), (iii), (ii), (iv), (v).
- B. (i), (iii), (iv), (ii), (v).
- C. (ii), (i), (iii), (iv), (v).
- D. (ii), (iv), (iii), (i), (v).
A farmer practicing stall feeding ¡s likely to feed animals on .
- A. pasture and fodder
- B. pasture and concentrates
- C. fodder and concentrates
- D. concentrates only.
Which of the following statements is true about Vena Cava? It carries
- A. deoxygenated blood
- B. blood from the lungs
- C. blood under high pressure
- D. blood from the heart.
Which of the following materials are both opaque?
- A. Mirror and fresh milk.
- B. Paper smeared with oil and frosted glass.
- C. Fresh milk and frosted glass.
- D. Mirror and paper smeared with oil.
Which one of the following pairs is a source of electricity?
- A. Dam and a dynamo.
- B. Wind-driven turbine and a dam.
- C. Torch and a dynamo.
- D. Dry cell and a geothermal generator.
Which of the following statements is true about cumulus clouds?
- A. Their presence is a sign of rain.
- B. Appear at low altitude and spread out in flat layers.
- C. They are shaped like mountains.
- D. They are dark grey in colour.
Which of the following planets are in the 2nd and 6th positions from the sun?
- A. Mars and Jupiter.
- B. Venus and Saturn.
- C. Earth and Saturn.
- D. Venus and Jupiter.
In which of the following pairs of levers is the load, effort and fulcrum likely to be in similar positions when in use?
- A. Crowbar and claw hammer.
- B. Wheelbarrow and spade.
- C. Crowbar and spade.
- D. Claw hammer and wheelbarrow.
|
Which of the following pairs of objects is correctly classified into magnetic and non-magnetic?
- A. Glass sheet Tin can.
- B. Steel needle Pencil lead.
- C. Copper coin Steel wool.
- D. Razor blade Staple pin.
The diagram below represents a set-up that is used to demonstrate a certain aspect of matter
- A. radiation
- B. convection
- C. conduction
- D. expansion.
The following are uses of some components of air:
(ii) preserving soft drinks
(iii) electric bulbs
(iv) burning.
Which two uses are for the component that makes up 21% of air?
- A. (i) and (iii).
- B. (ii) and (iii).
- C. (i) and (iv).
- D. (ii) and (iv).
A pupil was walking towards the northern direction past an air strip and noticed a windvane pointing to her right. In which direction was the wind blowing from?
- A. East.
- B. South.
- C. North.
- D. West.
The diagram below represents a simple electromagnet.
- A. Electrical—> Magnetic —> Chemical.
- B. Chemical —> Magnetic —> Electrical.
- C. Chemical —> Electrical —> Magnetic.
- D. Magnetic —> Chemical —> Electrical.
Vaccines given at birth protect an infant against
- A. diphtheria and tuberculosis
- B. tuberculosis and poliomyelitis
- C. tetanus and diphtheria
- D. whooping cough and poliomyelitis.
Farmers apply farm yard manure to the soil to
- A. improve soil structure
- B. release nutrients needed by plants immediately
- C. provide specific nutrients
- D. provide nutrients ¡n right amounts.
-
FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT -
DOWNLOAD MORE KCPE 2013 PAST PAPERS AND MARKING SCHEMES
​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2013-past-papers-questions-answers-and-reports

​KCPE PAST PAPERS 2012 SCIENCE REPORT
GENERAL PERFORMANCE OF CANDIDATES
GENERAL PERFORMANCE OF CANDIDATES
YEAR | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
NUMBER SAT | 698,367 | 688,049 | 719,376 | 739,620 | 766,712 | 811,706 |
MEAN RAW MARK | 29.72 | 27.62 | 29.96 | 29.82 | 33.63 | 32.02 |
STANDARD DEVIATION | 9,20 | 7.40 | 8.69 | 8.94 | 9.11 | 9.51 |
SYLLABUS COVERAGE
SN | TOPIC | NO. OF ITEMS | PERCENTAGE |
1.0 | HUMAN BODY | 3 | 06 |
2.0 | HEALTH EDUCATION | 2 | 04 |
3.0 | WEATHER AND ASTRONOMY | 2 | 04 |
4.0 | PLANTS | 4 | 08 |
5.0 | ANIMALS | 6 | 12 |
6.0 | WATER | 3 | 06 |
7.0 | MAKING WORK EASIER | 4 | 08 |
8.0 | PROPETIES OF MATTER | 8 | 16 |
9.0 | ENERGY | 8 | 16 |
10.0 | FOOD AND NUTRITION | 4 | 08 |
11.0 | ENVIRONMENT | 2 | 04 |
12.0 | SOIL | 4 | 08 |
TOTAL | 50 | 100 |
ANALYSIS OF PERFORMANCE IN SCIENCE ITEMS
Question with a facility Index of 30% and below
Question Number | 12 | 28 | 49 |
% of candidates choosing the correct response |
25.58 | 18.75 | 19.85 |
Question 12
(i) Making the slope gentle.
(ii) Reducing the effort applied.
(iii) Changing direction of the force applied.
(iv) Reducing friction.
Which of the statements apply to a single fixed pulley?
A. (i) and (iv).
B. (i) and (ii).
C. (ii) and (iii).
D. (iii) and (iv).
Response Patterns
OPTION | A | B | C | D* | NO ANSWER |
% CHOOSING THE OPTION | 7.52 | 7.83 | 57.83 | 25.58 | 1.19 |
MEAN MARK IN OTHER QUESTIONS | 22.64 | 25.19 | 33.95 | 34.78 | 26.36 |
|
Question 28
- A. Touching sockets with wet hands.
- B. Putting pencils in sockets.
- C. Overloading the sockets.
- D. Putting iron nails in sockets.
Response Patterns
OPTION | A | B | C* | D | NO ANSWER |
% CHOOSING THE OPTION | 7.16 | 61.82 | 18.75 | 11.01 | 1.2 |
MEAN MARK IN OTHER QUESTIONS | 23.79 | 33.22 | 32.87 | 29.71 | 26.94 |
|
Question 49
- A. increase the growth of weeds
- B. release specific nutrients to the soil
- C. destroy micro-organism in the soil
- D. cause pollution of the soil.
Response Patterns
OPTION | A* | B | C | D | NO ANSWER |
% CHOOSING THE OPTION | 19.85 | 68.5 | 7.82 | 2.43 | 1.34 |
MEAN MARK IN OTHER QUESTIONS | 36.03 | 32.06 | 24.94 | 23.58 | 26.90 |
​GENERAL COMMENTS

​KCPE PAST PAPERS 2012: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]
A card made in the shape of letter E and numbers 1,2 and 3 written on it was placed in front of a mirror as shown in the diagram below.
The reason why improved jikos have a clay lining is to
- A. reduce the amount of heat loss
- B. reduce the space for charcoal
- C. make charcoal light faster
- D. make the jiko last longer.
Which of the following practices will NOT result in a person getting an electric shock?
- A. Touching sockets with wet hands.
- B. Putting pencils in sockets.
- C. Overloading the sockets.
- D. Putting iron nails in sockets.
Which of the following groups of sources of energy are renewable?
- A. charcoal, kerosene, sawdust.
- B. water, firewood, animal dung.
- C. Diesel, wind, natural gas.
- D. Biogas, petrol, coal.
Which of the following pairs of food is preserved by smoking, salting and drying?
- A. Meat and mushrooms.
- B. Beans and fish.
- C. Mushrooms and beans.
- D. Meat and fish.
Which of the following is the MAIN reason why eating bread after expiry date is discouraged? The bread could have
- A. lost nutrients
- B. a bad taste
- C. some micro-organisms
- D. changed its colour.
Which of the following pairs consists of diseases caused by lack of minerals in the diet?
- A. Anaemia and rickets.
- B. Kwashiokor and anaemia.
- C. Marasmus and Kwashiokor.
- D. Rickets and marasmus.
A hilly area with deep channels is LIKELY to be experiencing
- A. sheet erosion
- B. gulley erosion
- C. nil erosion
- D. splash erosion.
The diagram below shows an improvised rain gauge.
- A. have the funnel sealed to its mouth
- B. be wide to collect enough water
- C. be placed above the ground
- D. be transparent for easy reading.
The diagram below represents a model of the solar system prepared by class six pupils.
- A. using threads instead of wires
- B. placing a ball of clay next to the one representing the sun
- C. placing two balls of clay on one thread
- D. using balls of clay of different sizes.
The MAIN reason why mothers are encouraged to breast feed their infants is because breast milk
- A. boosts immunity of the infant
- B. is free from disease causing germs
- C. is at the right temperature for infants
- D. is easily digested by infants.
A person in the incubation period of HIV infection will show
- A. signs and symptoms but test negative
- B. no signs and no symptoms but test positive
- C. no signs, no symptoms and test negative
- D. signs, symptoms and test positive.
Which of the following is a preventive measure against the spread of tuberculosis?
- A. Clearing bushes around houses.
- B. Boiling drinking water.
- C. Proper disposal of human waste.
- D. Living in a well ventilated house.
In which of the following are characteristics of cumulus and nimbus clouds CORRECTLY placed?
For two masses X and Y, the mass of X was twice that of Y. The diagram below shows a set-up that was used to investigate how thetwo masses balance at positions Q, R, S and T on a seesaw.
The diagram below represents a simple electric circuit
- A. Chemical—>electrical——>heat—>light.
- B. Electrical—>chemical—>Light--->heat.
- C. Chemical—>electrical——>Light--->heat.
- D. Electrical—>light—>chemical—>heat.
Which of the following practices LEAST pollutes the soil?
- A. Spraying crops to kill pests.
- B. Burning plant wastes in the farm.
- C. Disposing of animal wastes in the farm.
- D. Burying plastics in the soil.
In an investigation, equal amounts of soap was added to equal amounts of water samples W and Z obtained from different sources.
(i) W formed lather.
(ii) Z formed suspended particles.
Which of the following statements about W and Z is NOT CORRECT?
- A. W may have fewer minerals.
- B. Z may form lather after boiling.
- C. W can form scales in kettles.
- D. Z wastes soap when washing.
Which of the following consists of materials with a definite volume and definite shape?
- A. Water, bottle, stone.
- B. Paper, pin, ink.
- C. Kerosene, cooking oil, milk.
- D. Sand, flour, sugar.
Which of the following practices will conserve soil?
- A. Using dry grass for mulching.
- B. Burning vegetation on farms.
- C. Ploughing along the slope.
- D. Burying plastic materials.
Soil becomes waterlogged due to
- A. its colour
- B: the size of its particles
- C. the absence of small animals in it
- D. the amount of air in it.
Which of the following is the CORRECT procedure that is used to obtain clear water from muddy water?
- A. Filtering and decanting.
- B. Evaporating and filtering.
- C. Decanting and filtering.
- D. Evaporating and decanting.
- A. Spraying and de-worming.
- B. Herding and dipping.
- C. De-worming and rotational grazing.
- D. Dipping and spraying.
​Which one of the following statements is TRUE about manures? They
- A. increase the growth of weeds
- B. release specific nutrients to the soil
- C. destroy micro-organism in the soil
- D. cause pollution of the soil.
The following are activities that pollute the environment.
(ii) Oil spillage from tankers.
(iii) Using diesel as fuel in vehicles.
(iv) Dumping vegetable waste.
Which activities pollute air?
- A. (i) and (iv).
- B. (ii) and (iv).
- C. (ii) and (iii).
- D. (i) and (iii).

​KCPE PAST PAPERS 2012: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]
Which of the following is a tuber crop?
- A. Onion.
- B. Carrot.
- C. Pineapple.
- D. Cabbage.
A beam balance is used for
- A. measuring volume of objects
- B. comparing mass of different objects
- C. measuring height of objects
- D. comparing size of different objects.
In which of the following groups of activities is friction NOT required?
- A. Writing and erasing.
- B. Skating and braking.
- C. Flying and swimming.
- D. Walking and riding.
Animals provide plants with
- A. support and carbon dioxide
- B. manure and oxygen
- C. carbon dioxide and pollination
- D. pollination and oxygen.
Which of the following statements about blood vessels in the human body is CORRECT?
- A. All veins carry de-oxygenated blood.
- B. Blood pressure in arteries is higher than in veins.
- C. Arteries have valves that control flow of blood.
- D. Arteries have thinner walls than those of veins.
Which of the following CORRECTLY represents the path taken by food from the oesophagus?
- A. Stomach —> small intestines —> large intestines —> rectum —> anus.
- B. Small intestines —> large intestines —>stomach —> rectum —> anus.
- C. Stomach —> large intestines —> small intestines —> rectum ----> anus.
- D. Large intestines —> stomach ---> small intestines —> rectum —> anus.
Which of the following types of human teeth is CORRECTLY matched to its function?
- A. Incisors Tearing and cutting.
- B. Canines Tearing and crushing.
- C. Premolars Cutting and grinding.
- D. Molars Crushing and grinding.
A plant which has deep and widely spread root system is LIKELY to have
- A. broad leaves
- B. many leaves
- C. succulent stems
- D. weak stems.
Which of the following groups of crops consists of cereals ONLY?
- A. Peas, beans and green grams.
- B. Maize, rice and sorghum.
- C. Millet, cow peas and maize.
- D. Green grams, sorghum and rice.
The diagrams below represent two levers E and F with different positions of load, effort and fulcrum.
Which of the following pairs of plants is CORRECTLY matched with the type of root system?
- A. Grass Wheat
- B. Tomato Blackjack
- C. Coconut Acacia
- D. Kale Onion
The following are statements about how different simple machines make work easier.
(ii) Reducing the effort applied.
(iii) Changing direction of the force applied.
(iv) Reducing friction.
Which of the statements apply to a single fixed pulley?
- A. (i) and (iv).
- B. (i) and (ii).
- C. (ii) and (iii).
- D. (iii) and (iv).
Which of the following groups of animals consists ONLY of invertebrates?
- A. Crab, newt and snail.
- B. Centipede, snail and spider.
- C. Newt, centipede and slug.
- D. Slug, frog and crab.
Which of the following statements is TRUE?
- A. Fish have constant body temperature.
- B. Birds have varying body temperature.
- C. Young ones of amphibians live on land.
- D. Reptiles breathe through the lungs.
Which of the following are examples of herbivores, carnivores and omnivores?
Which of the following pairs consists only of animals with scales?
- A. Toad and duck.
- B. Turtle and salamander.
- C. Turtle and duck.
- D. Salamander and toad.
The following are some practices that help prevent the spread of water borne diseases.
(ii) Washing fruits before eating them.
(iii) Washing hands before eating.
(iv) Wearing gumboots when walking in stagnant water.
Which practices will help control the spread of bilharzia?
- A. (i) and (ii)
- B. (i) and (iv)
- C. (ii) and (iii)
- D. (iii) and (iv)
Transfer of heat by convection takes place in
- A. gases and liquids
- B. solids and liquids
- C. solids and vacuum
- D. gases and vacuum.
|
The diagram below represents the processes I, II, III and IV that are involved in change of states of matter.
The pie chart below shows proportions of G, H, J and K that represent the components of air.
Which of the following factors makes wax to float on water?
- A. Shape of material.
- B. Type of material.
- C. Size of material.
- D. Mass of material.
In which of the following are both materials CORRECTLY grouped as magnetic and non-magnetic?
- A. Copper Zinc.
- B. Zinc Steel.
- C. Aluminium Copper.
- D. Steel Aluminium.
The following are activities carried out to investigate the effect of heat on a liquid.
(ii) Filling the bottle with coloured water.
(iii) Fixing a straw on the cork.
(iv) Closing the bottle tightly with the cork.
Which one of the following is the CORRECT ORDER of the activities?
- A. (ii), (iii), (iv), (i).
- B. (iii), (iv), (ii), (i).
- C. (ii), (i), (iii), (iv).
- D. (iii), (ii), (i), (iv).
The diagram below shows a set-up that can be used to investigate the effect of heat on matter.
- A. gases change state when heated
- B. solids expand when heated
- C. gases expand when heated
- D. solids change state when heated.
The diagram below represents a set-up in which a ruler is fixed to a desk and its free end pulled to positions L, M, and N. At each position the free end is released to produce sound.
- A. special sounds
- B. loud and soft sound
- C. direction of sound
- D. noise pollution.

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