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YEAR FOUR WSC MOCK 3

Total questions: 109

Worksheet time: 55mins

Name
Class
Date
1.

Which of the following is an example of a natural material?

a)

Plastic

b)

Nylon

c)

Cotton

d)

Glass

2.

Which property makes metal suitable for making cooking pots?

a)

Transparency

b)

Heat conductivity

c)

Elasticity

d)

Flexibility

3.

A material that allows water to pass through it is called:

a)

Waterproof

b)

Permeable

c)

Transparent

d)

Flexible

4.

Which of the following is NOT a property of wood?

a)

Hardness

b)

Elasticity

c)

Strength

d)

Flammability

5.

Matter is anything that has:

a)

Weight and mass

b)

Shape and color

c)

Mass and space

d)

Size and weight

6.

The quantity of matter in a body is called:

a)

Density

b)

Mass

c)

Volume

d)

Weight

7.

The instrument used to measure mass is:

a)

Thermometer

b)

Spring balance

c)

Beam balance

d)

Stopwatch

8.

Which of these is NOT matter?

a)

Water

b)

Air

c)

Heat

d)

Stone

9.

The particles in a solid are:

a)

Closely packed

b)

Far apart

c)

Randomly arranged

d)

Free to move around

10.

Which state of matter has definite shape and volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

11.

Water changes to steam by:

a)

Condensation

b)

Evaporation

c)

Freezing

d)

Melting

12.

Which state of matter fills its container completely?

a)

Water

b)

Ice

c)

Gas

d)

Oil

13.

The transfer of heat through solids is called:

a)

Radiation

b)

Conduction

c)

Convection

d)

Reflection

14.

Which of the following is a good conductor of heat?

a)

Plastic

b)

Wood

c)

Copper

d)

Rubber

15.

Heat travels through space by:

a)

Convection

b)

Conduction

c)

Radiation

d)

Reflection

16.

Which of these prevents heat loss?

a)

Metal sheet

b)

Black surface

c)

Wool

d)

Glass

17.

Which of these is a physical change?

a)

Burning paper

b)

Rusting iron

c)

Melting ice

d)

Cooking rice

18.

A chemical change always leads to:

a)

No new substance

b)

Temporary change

c)

A new substance

d)

Reversible change

19.

Cutting a piece of paper is a:

a)

Physical change

b)

Chemical change

c)

Permanent change

d)

Reaction change

20.

Which shows a chemical change?

a)

Ice melting

b)

Wood burning

c)

Water boiling

d)

Glass breaking

21.

A mixture can be separated by:

a)

Burning

b)

Chemical reaction

c)

Physical means

d)

Rusting

22.

Salt and water form a:

a)

Suspension

b)

Solution

c)

Compound

d)

Colloid

23.

Which method separates sand from water?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Decantation

24.

Which is NOT a mixture?

a)

Air

b)

Brass

c)

Sugar

d)

Salt water

25.

Which of these is NOT a type of force?

a)

Magnetic

b)

Frictional

c)

Gravity

d)

Temperature

26.

The force that pulls objects towards the Earth is:

a)

Magnetic

b)

Gravity

c)

Friction

d)

Air resistance

27.

A change in position of an object is called:

a)

Speed

b)

Motion

c)

Work

d)

Velocity

28.

Friction can be reduced by:

a)

Roughening surface

b)

Using oil

c)

Adding weight

d)

Increasing pressure

29.

Which material is attracted to a magnet?

a)

Wood

b)

Glass

c)

Iron

d)

Plastic

30.

The ends of a magnet are called:

a)

Poles

b)

Tips

c)

Points

d)

Ends

31.

Like poles of magnets:

a)

Attract

b)

Repel

c)

Neutralize

d)

Break

32.

Which is NOT a use of magnets?

a)

Compass

b)

Lifting scrap metal

c)

Making nails

d)

Electric motors

33.

The energy change in a torch is:

a)

Light → Chemical

b)

Chemical → Light

c)

Heat → Chemical

d)

Sound → Light

34.

When we eat food, it is converted to:

a)

Sound energy

b)

Light energy

c)

Kinetic energy

d)

Electrical energy

35.

A radio changes electrical energy to:

a)

Chemical

b)

Sound

c)

Nuclear

d)

Mechanical

36.

Which shows potential energy changing to kinetic?

a)

Car stopping

b)

Stretched rubber released

c)

Fan rotating

d)

Bulb glowing

37.

The flow of current in a circuit is called:

a)

Voltage

b)

Electricity

c)

Charge

d)

Conduction

38.

Which is a good conductor of electricity?

a)

Rubber

b)

Copper

c)

Plastic

d)

Wood

39.

The source of electricity in a circuit is the:

a)

Bulb

b)

Switch

c)

Battery

d)

Wire

40.

A circuit that does not allow electricity to flow is:

a)

Open

b)

Closed

c)

Parallel

d)

Series

41.

Classification means:

a)

Naming things

b)

Grouping things

c)

Measuring things

d)

Mixing things

42.

Animals that feed on plants are:

a)

Carnivores

b)

Omnivores

c)

Herbivores

d)

Scavengers

43.

Which is a non-living thing?

a)

Dog

b)

Tree

c)

Stone

d)

Fish

44.

Which characteristic is used to classify living things?

a)

Shape

b)

Habitat

c)

Number of legs

d)

All of the above

45.

Scientific names are written in:

a)

English

b)

French

c)

Latin

d)

Greek

46.

The scientific name of man is:

a)

Homo erectus

b)

Homo sapiens

c)

Homo habilis

d)

Homo sapien

47.

The first part of a scientific name shows the:

a)

Species

b)

Class

c)

Genus

d)

Order

48.

Scientific names are used because:

a)

Easy to pronounce

b)

Same worldwide

c)

Short forms

d)

In English

49.

Which animal lays eggs?

a)

Dog

b)

Goat

c)

Hen

d)

Cat

50.

The largest land animal is:

a)

Lion

b)

Elephant

c)

Giraffe

d)

Hippopotamus

51.

Which is a cold-blooded animal?

a)

Cow

b)

Frog

c)

Dog

d)

Monkey

52.

Animals that suckle their young are called:

a)

Amphibians

b)

Mammals

c)

Birds

d)

Reptiles

53.

The part of a plant that absorbs water is:

a)

Stem

b)

Leaf

c)

Root

d)

Flower

54.

The part of a plant that absorbs water is:

a)

Stem

b)

Leaf

c)

Root

d)

Flower

55.

The part of a plant that makes food is:

a)

Stem

b)

Root

c)

Leaf

d)

Seed

56.

The process by which plants make food is:

a)

Transpiration

b)

Photosynthesis

c)

Respiration

d)

Fertilization

57.

The green pigment in plants is:

a)

Chlorophyll

b)

Hemoglobin

c)

Chlorine

d)

Oxygen

58.

Camels have humps to:

a)

Store water

b)

Store fat

c)

Store air

d)

Store food

59.

Fish breathe in water using:

a)

Scales

b)

Gills

c)

Fins

d)

Tail

60.

Birds have hollow bones to:

a)

Stay warm

b)

Help them fly

c)

Store food

d)

Make them heavy

61.

The fur of polar bears helps them:

a)

Swim faster

b)

Stay warm

c)

Hunt better

d)

Hide from prey

62.

Traits passed from parents to offspring are:

a)

Inherited

b)

Acquired

c)

Learned

d)

Behavioral

63.

Eye color is an example of:

a)

Inherited

b)

Learned

c)

Environmental

d)

Acquired

64.

Which is NOT inherited?

a)

Hair color

b)

Blood group

c)

Language

d)

Height

65.

The unit of heredity is:

a)

Cell

b)

Gene

c)

Chromosome

d)

DNA

66.

The basic unit of life is:

a)

Tissue

b)

Organ

c)

Cell

d)

Organ system

67.

The part of the cell that controls its activities is:

a)

Cytoplasm

b)

Cell wall

c)

Nucleus

d)

Membrane

68.

Plant cells have ______ but animal cells do not:

a)

Nucleus

b)

Cell wall

c)

Cytoplasm

d)

Mitochondria

69.

The jelly-like substance in the cell is:

a)

Nucleus

b)

Protoplasm

c)

Cytoplasm

d)

Cell sap

70.

Living and non-living things interacting together form:

a)

Community

b)

Habitat

c)

Ecosystem

d)

Population

71.

Which is a producer?

a)

Lion

b)

Grass

c)

Goat

d)

Frog

72.

The role an organism plays in its habitat is:

a)

Niche

b)

Population

c)

Community

d)

Territory

73.

Which is a decomposer?

a)

Mushroom

b)

Cow

c)

Bird

d)

Snake

74.

Which is a renewable resource?

a)

Coal

b)

Oil

c)

Water

d)

Natural gas

75.

Protecting natural resources is called:

a)

Pollution

b)

Conservation

c)

Preservation

d)

Reforestation

76.

Planting trees to replace those cut is:

a)

Afforestation

b)

Reforestation

c)

Deforestation

d)

Desertification

77.

Which of these pollutes water?

a)

Farming

b)

Bathing

c)

Oil spillage

d)

Fishing

78.

The hardest natural substance is:

a)

Quartz

b)

Gold

c)

Diamond

d)

Iron

79.

Rocks are made up of:

a)

Minerals

b)

Sand

c)

Soil

d)

Water

80.

Which is NOT a type of rock?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

d)

Silica

81.

The mineral used in pencils is:

a)

Mica

b)

Graphite

c)

Feldspar

d)

Limestone

82.

Fossils are the remains of:

a)

Living things

b)

Dead plants and animals

c)

Only plants

d)

Only bones

83.

Fossils are mostly found in:

a)

Igneous rocks

b)

Sedimentary rocks

c)

Metamorphic rocks

d)

All rocks

84.

The study of fossils is called:

a)

Zoology

b)

Botany

c)

Paleontology

d)

Archaeology

85.

Fossils help scientists to:

a)

Make tools

b)

Study past life

c)

Find gold

d)

Plant crops

86.

The daily condition of the atmosphere is:

a)

Climate

b)

Weather

c)

Season

d)

Rainfall

87.

Rainfall is measured by:

a)

Thermometer

b)

Rain gauge

c)

Barometer

d)

Wind vane

88.

Climate refers to:

a)

Short-term weather

b)

Long-term pattern

c)

Daily forecast

d)

Noon temperature

89.

Which is NOT an element of weather?

a)

Wind

b)

Rainfall

c)

Temperature

d)

Soil

90.

Mountains and plains are examples of:

a)

Water bodies

b)

Landforms

c)

Clouds

d)

Rocks

91.

The largest water body is:

a)

Lake

b)

River

c)

Ocean

d)

Stream

92.

A flat-topped raised landform is:

a)

Plateau

b)

Mountain

c)

Hill

d)

Valley

93.

Which is NOT an Earth feature?

a)

River

b)

Desert

c)

Moon

d)

Mountain

94.

Sudden shaking of the earth is called:

a)

Volcano

b)

Landslide

c)

Earthquake

d)

Tsunami

95.

The hot molten rock that erupts is:

a)

Magma

b)

Lava

c)

Ash

d)

Smoke

96.

A violent storm with rotating winds is:

a)

Hurricane

b)

Earthquake

c)

Volcano

d)

Landslide

97.

Which is caused by earth’s crust movement?

a)

Rainfall

b)

Earthquake

c)

Drought

d)

Sunshine

98.

The study of stars and planets is:

a)

Biology

b)

Astronomy

c)

Astrology

d)

Geography

99.

The “Red Planet” is:

a)

Venus

b)

Mars

c)

Jupiter

d)

Saturn

100.

The closest star to earth is:

a)

Alpha Centauri

b)

Moon

c)

Sun

d)

Sirius

101.

Which is NOT a planet?

a)

Mercury

b)

Pluto (dwarf planet)

c)

Saturn

d)

Sun

102.

Engineers use the design process to:

a)

Solve problems

b)

Play games

c)

Study history

d)

Teach science

103.

The first step in solving a problem is:

a)

Build

b)

Test

c)

Identify problem

d)

Share results

104.

Which is a simple machine?

a)

Lever

b)

Motor

c)

Engine

d)

Battery

105.

Testing a solution is called:

a)

Designing

b)

Building

c)

Testing

d)

Brainstorming

106.

The SI unit of length is:

a)

Metre

b)

Litre

c)

Kilogram

d)

Second

107.

Temperature is measured by:

a)

Barometer

b)

Thermometer

c)

Rain gauge

d)

Stopwatch

108.

The SI unit of mass is:

a)

Gram

b)

Newton

c)

Kilogram

d)

Tonne

109.

Time is measured in:

a)

Seconds

b)

Litres

c)

Kilograms

d)

Amperes

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