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YEAR FOUR WSC MOCK 2

Total questions: 106

Worksheet time: 53mins

Name
Class
Date
1.

Which property describes a material's ability to be drawn into wires?

a)

Ductility

b)

Malleability

c)

Hardness

d)

Brittleness

2.

Which of the following is a good conductor of heat?

a)

Wood

b)

Rubber

c)

Copper

d)

Plastic

3.

A material that does not allow electricity to pass through it is called:

a)

Conductor

b)

Semiconductor

c)

Resistor

d)

Insulator

4.

Which material is commonly used for making window panes?

a)

Iron

b)

Glass

c)

Plastic

d)

Clay

5.

Which of these best describes matter?

a)

Anything that can move

b)

Anything that has mass and takes up space

c)

Anything that has weight

d)

Anything you can see

6.

The amount of space occupied by an object is called:

a)

Mass

b)

Weight

c)

Volume

d)

Density

7.

What happens to the weight of an object on the Moon compared to Earth?

a)

It becomes zero

b)

It becomes greater

c)

It becomes less

d)

It stays the same

8.

Which of the following is NOT considered matter?

a)

Water

b)

Air

c)

Heat

d)

Stone

9.

Which state of matter has a fixed volume but no fixed shape?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

10.

The change from liquid to gas at any temperature is called:

a)

Boiling

b)

Evaporation

c)

Condensation

d)

Melting

11.

In which state are particles farthest apart?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

12.

What happens to particles when a substance is heated?

a)

They slow down

b)

They stop moving

c)

They move faster

d)

They disappear

13.

Heat transfer through direct particle contact is called:

a)

Radiation

b)

Convection

c)

Conduction

d)

Insulation

14.

Which material is a good conductor of heat?

a)

Wool

b)

Rubber

c)

Aluminium

d)

Paper

15.

Which type of heat transfer allows energy from the Sun to reach the Earth?

a)

Conduction

b)

Convection

c)

Radiation

d)

Reflection

16.

What happens to most metals when they are heated?

a)

They contract

b)

They expand

c)

They freeze

d)

They melt immediately

17.

Which of the following is a physical change?

a)

Burning wood

b)

Rusting iron

c)

Melting ice

d)

Baking bread

18.

A chemical change always results in:

a)

A new substance

b)

A new shape

c)

A change of state

d)

A change in size

19.

Which of the following is a chemical change?

a)

Boiling water

b)

Cutting paper

c)

Frying an egg

d)

Dissolving sugar

20.

Which process can easily be reversed?

a)

Burning candle

b)

Rusting

c)

Melting butter

d)

Cooking rice

21.

A mixture in which components can be seen separately is called:

a)

Solution

b)

Homogeneous mixture

c)

Heterogeneous mixture

d)

Compound

22.

Which method separates a dissolved solid from a liquid?

a)

Filtration

b)

Evaporation

c)

Sieving

d)

Decantation

23.

In a solution of salt and water, the salt is the:

a)

Solvent

b)

Solute

c)

Mixture

d)

Residue

24.

Which of the following is a solution?

a)

Oil and water

b)

Saltwater

c)

Salad

d)

Sand and iron filings

25.

Which force pulls objects towards the centre of the Earth?

a)

Friction

b)

Gravity

c)

Magnetism

d)

Tension

26.

A push or pull that changes the state of motion of an object is called:

a)

Mass

b)

Force

c)

Work

d)

Energy

27.

Friction always acts in the:

a)

Same direction as motion

b)

Opposite direction of motion

c)

Downwards

d)

Sideways

28.

If the force acting on an object increases while mass stays constant, acceleration:

a)

Decreases

b)

Doubles

c)

Stays the same

d)

Becomes zero

29.

The region around a magnet where force is felt is called:

a)

Magnetic domain

b)

Magnetic field

c)

Magnetic line

d)

Magnetic pole

30.

Which of the following is magnetic?

a)

Plastic

b)

Copper

c)

Nickel

d)

Glass

31.

If a bar magnet is broken into two pieces, each piece will have:

a)

Only a north pole

b)

Only a south pole

c)

Both a north and a south pole

d)

No poles

32.

Like poles of a magnet:

a)

Attract each other

b)

Repel each other

c)

Have no effect

d)

Lose magnetism

33.

What type of energy transformation happens in a battery-powered torch?

a)

Chemical → Light

b)

Light → Chemical

c)

Heat → Light

d)

Electrical → Chemical

34.

When you lift a book onto a shelf, which energy increases?

a)

Kinetic

b)

Thermal

c)

Potential

d)

Chemical

35.

Which device converts chemical energy into electrical energy?

a)

Solar panel

b)

Battery

c)

Generator

d)

Bulb

36.

The burning of fuel transforms chemical energy mainly into:

a)

Sound

b)

Heat

c)

Light

d)

Magnetic energy

37.

A complete path for current to flow is called:

a)

Open circuit

b)

Closed circuit

c)

Short circuit

d)

Fuse

38.

Materials that allow electric current to pass through them easily are:

a)

Insulators

b)

Conductors

c)

Resistors

d)

Semiconductors

39.

Which device is used to open or close a circuit?

a)

Fuse

b)

Battery

c)

Switch

d)

Resistor

40.

Which instrument is used to measure electric current?

a)

Voltmeter

b)

Ammeter

c)

Thermometer

d)

Ohmmeter

41.

The largest group used to classify living things is:

a)

Kingdom

b)

Species

c)

Domain

d)

Phylum

42.

Which two names are used in binomial nomenclature?

a)

Class and Order

b)

Genus and Species

c)

Family and Genus

d)

Phylum and Class

43.

An organism that makes its own food and has cell walls belongs to:

a)

Animalia

b)

Plantae

c)

Fungi

d)

Protista

44.

Which group contains multicellular, heterotrophic organisms without cell walls?

a)

Protista

b)

Fungi

c)

Animalia

d)

Plantae

45.

The first part of a scientific name represents the:

a)

Species

b)

Genus

c)

Family

d)

Order

46.

Which is the correct way to write a scientific name?

a)

Canis Lupus

b)

CANIS LUPUS

c)

Canis lupus

d)

canis lupus

47.

Scientific names are written in:

a)

English

b)

Latin

c)

French

d)

Greek

48.

Panthera leo and Panthera tigris belong to the same:

a)

Species

b)

Genus

c)

Family

d)

Order

49.

Which animals are warm-blooded and have feathers?

a)

Reptiles

b)

Birds

c)

Mammals

d)

Amphibians

50.

An animal that eats both plants and animals is a/an:

a)

Herbivore

b)

Carnivore

c)

Omnivore

d)

Detritivore

51.

Fish breathe through:

a)

Lungs

b)

Spiracles

c)

Gills

d)

Skin

52.

Which adaptation helps animals hide from predators?

a)

Migration

b)

Camouflage

c)

Hibernation

d)

Respiration

53.

The process by which plants make food using sunlight is:

a)

Respiration

b)

Photosynthesis

c)

Transpiration

d)

Germination

54.

The process by which plants make food using sunlight is:

a)

Respiration

b)

Photosynthesis

c)

Transpiration

d)

Germination

55.

The male part of a flower that produces pollen is the:

a)

Pistil

b)

Stigma

c)

Stamen

d)

Sepal

56.

Which plant part absorbs water and minerals from soil?

a)

Stem

b)

Root

c)

Leaf

d)

Flower

57.

The main function of the stem is:

a)

Reproduction

b)

Photosynthesis

c)

Support and transport

d)

Respiration

58.

A camel's hump stores:

a)

Water

b)

Food

c)

Fat

d)

Air

59.

Which of these is a behavioural adaptation?

a)

Long beak of a hummingbird

b)

Thick fur of a polar bear

c)

Birds migrating in winter

d)

Webbed feet of a duck

60.

The spines of a cactus are used mainly for:

a)

Photosynthesis

b)

Water storage

c)

Protection

d)

Attraction

61.

The main purpose of adaptations is:

a)

To survive and reproduce

b)

To grow bigger

c)

To change colour

d)

To move faster

62.

The passing of traits from parents to offspring is called:

a)

Mutation

b)

Variation

c)

Heredity

d)

Evolution

63.

Genes are found on:

a)

Ribosomes

b)

Chromosomes

c)

Mitochondria

d)

Cytoplasm

64.

Different forms of a gene are called:

a)

Traits

b)

Alleles

c)

Chromosomes

d)

Zygotes

65.

Crossing a TT plant with a tt plant gives offspring with genotype:

a)

TT

b)

tt

c)

Tt

d)

tT or TT

66.

The basic structural unit of life is:

a)

Atom

b)

Cell

c)

Tissue

d)

Organ

67.

The control centre of the cell is the:

a)

Nucleus

b)

Ribosome

c)

Vacuole

d)

Mitochondria

68.

Which part of a plant cell gives it shape and support?

a)

Cell wall

b)

Cytoplasm

c)

Chloroplast

d)

Membrane

69.

Which organelle is called the "powerhouse of the cell"?

a)

Nucleus

b)

Mitochondria

c)

Golgi body

d)

Lysosome

70.

All living and non-living things in an area form an:

a)

Population

b)

Community

c)

Ecosystem

d)

Biome

71.

Which of the following is the main source of energy for ecosystems?

a)

Wind

b)

Sun

c)

Water

d)

Soil

72.

Organisms that break down dead matter are called:

a)

Producers

b)

Consumers

c)

Decomposers

d)

Scavengers

73.

The path of energy transfer from one organism to another is a:

a)

Food web

b)

Food chain

c)

Trophic level

d)

Energy cycle

74.

Which of these is a renewable resource?

a)

Coal

b)

Oil

c)

Solar energy

d)

Natural gas

75.

The main goal of conservation is to:

a)

Use up resources

b)

Protect resources

c)

Destroy habitats

d)

Increase pollution

76.

Turning off lights when not in use saves:

a)

Water

b)

Soil

c)

Energy

d)

Minerals

77.

Cutting down trees without replanting leads to:

a)

Afforestation

b)

Desertification

c)

Pollution

d)

Fertility

78.

A naturally occurring, solid substance with a definite chemical composition is a:

a)

Rock

b)

Mineral

c)

Fossil

d)

Soil

79.

Which rock is formed by cooling of magma?

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Fossiliferous

80.

The process that changes rocks from one type to another is the:

a)

Carbon cycle

b)

Rock cycle

c)

Water cycle

d)

Nitrogen cycle

81.

The hardest mineral is:

a)

Talc

b)

Quartz

c)

Diamond

d)

Feldspar

82.

Fossils are mostly found in which type of rock?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

d)

Volcanic

83.

A fossil showing an organism's activity like footprints is called:

a)

Cast fossil

b)

Mold fossil

c)

Trace fossil

d)

Carbon film

84.

Fossils help scientists study:

a)

Future climate

b)

Past life forms

c)

Moon surface

d)

Rock hardness

85.

A fossil that leaves a thin outline of carbon is called:

a)

Mold

b)

Cast

c)

Trace

d)

Carbon film

86.

The average weather condition of a place over many years is:

a)

Weather

b)

Climate

c)

Season

d)

Atmosphere

87.

Which instrument measures air pressure?

a)

Thermometer

b)

Barometer

c)

Hygrometer

d)

Anemometer

88.

Weather describes conditions that are:

a)

Short-term

b)

Long-term

c)

Seasonal

d)

Global

89.

Which factor most affects a place's climate?

a)

Latitude

b)

Population

c)

Buildings

d)

Forests

90.

A large, slow-moving mass of ice is called:

a)

Iceberg

b)

Glacier

c)

Avalanche

d)

Hailstone

91.

Deposition of sediments at the river mouth forms a:

a)

Delta

b)

Canyon

c)

Valley

d)

Mountain

92.

The breaking down of rocks into smaller pieces is called:

a)

Weathering

b)

Erosion

c)

Deposition

d)

Sublimation

93.

The longest mountain range under the ocean is:

a)

Mid-Atlantic Ridge

b)

Mariana Trench

c)

Andes Mountains

d)

Himalayas

94.

The point on the Earth's surface above an earthquake's focus is the:

a)

Fault

b)

Epicentre

c)

Seismic zone

d)

Crater

95.

Earthquakes are caused by movement of:

a)

Rivers

b)

Clouds

c)

Tectonic plates

d)

Wind

96.

A storm forming over warm oceans with strong winds is a:

a)

Tornado

b)

Hurricane

c)

Thunderstorm

d)

Cyclone

97.

Canyons are mostly formed by:

a)

Earthquakes

b)

Glaciers

c)

River erosion

d)

Volcanoes

98.

The tilt of the Earth's axis causes:

a)

Day and night

b)

Seasons

c)

Phases of the Moon

d)

Tides

99.

When the Moon is between the Earth and Sun we see a:

a)

Full moon

b)

New moon

c)

Gibbous moon

d)

Crescent moon

100.

Our galaxy is called the:

a)

Andromeda

b)

Milky Way

c)

Sombrero

d)

Whirlpool

101.

A large body orbiting a star is a:

a)

Asteroid

b)

Moon

c)

Planet

d)

Comet

102.

The first step in the design process is:

a)

Test solution

b)

Identify the problem

c)

Build prototype

d)

Present results

103.

A prototype is used to:

a)

Sell the product

b)

Test the idea

c)

Choose materials

d)

Do marketing

104.

A limitation in design is called:

a)

Constraint

b)

Criteria

c)

Solution

d)

Output

105.

If a design fails, an engineer should:

a)

Stop the project

b)

Redesign and improve

c)

Ignore results

d)

Blame materials

106.

The SI unit for length is:

a)

Kilogram

b)

Liter

c)

Meter

d)

Second