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Worksheets

SCI-REV

Total questions: 68

Worksheet time: 34mins

Name
Class
Date
1.

Which of the following is a solid?

a)

Air

b)

Juice

c)

Ice

d)

Smoke

2.

What happens to ice when it melts?

a)

It turns into gas

b)

It turns into liquid

c)

It disappears

d)

It freezes

3.

What do we call the ability of matter to occupy space?

a)

Weight

b)

Volume

c)

Density

d)

Mass

4.

Which state of matter has no definite shape but has definite volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

5.

What happens when water boils?

a)

It becomes ice

b)

It becomes steam

c)

It disappears

d)

It stays the same

6.

Which of the following is a mixture?

a)

Pure gold

b)

Salt

c)

Air

d)

Sugar

7.

What do we call the process of changing a liquid into a gas?

a)

Melting

b)

Condensation

c)

Evaporation

d)

Freezing

8.

What do we use to measure temperature?

a)

Ruler

b)

Thermometer

c)

Balance

d)

Beaker

9.

Which is an example of a physical change?

a)

Burning paper

b)

Rusting iron

c)

Melting chocolate

d)

Baking cake

10.

Which tool is best for measuring mass?

a)

Balance

b)

Ruler

c)

Beaker

d)

Thermometer

11.

What property of matter describes how heavy something is for its size?

a)

Mass

b)

Weight

c)

Density

d)

Volume

12.

When sugar dissolves in water, the result is called a ____.

a)

Suspension

b)

Mixture

c)

Solution

d)

Colloid

13.

Which mixture can be separated by filtration?

a)

Saltwater

b)

Sand and water

c)

Vinegar

d)

Air

14.

What happens to the particles of matter when heat is added?

a)

They slow down

b)

They stop moving

c)

They move faster

d)

They shrink

15.

Which describes a chemical change?

a)

Melting butter

b)

Breaking glass

c)

Burning wood

d)

Cutting paper

16.

Which state of matter takes both the shape and volume of its container?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

17.

What process changes water vapor into liquid water?

a)

Melting

b)

Evaporation

c)

Condensation

d)

Sublimation

18.

Which tool measures the volume of a liquid?

a)

Thermometer

b)

Graduated cylinder

c)

Balance

d)

Ruler

19.

Which of the following is a heterogeneous mixture?

a)

Saltwater

b)

Air

c)

Oil and water

d)

Vinegar

20.

What happens to water when it freezes?

a)

Its volume increases

b)

Its shape changes

c)

It becomes gas

d)

It loses mass

21.

Which is NOT a pure substance?

a)

Gold

b)

Oxygen

c)

Saltwater

d)

Iron

22.

How can you separate salt and water?

a)

Decantation

b)

Filtration

c)

Evaporation

d)

Magnetic separation

23.

Which best describes a colloid?

a)

Particles settle over time

b)

Particles scatter light but don’t settle

c)

Particles dissolve completely

d)

Particles separate easily

24.

Which process separates liquid from solid by heating and condensing vapor?

a)

Filtration

b)

Decantation

c)

Distillation

d)

Sieving

25.

What is the formula for density?

a)

D = m × v

b)

D = v ÷ m

c)

D = m ÷ v

d)

D = m + v

26.

What causes a ball to move when kicked?

a)

Heat

b)

Sound

c)

Force

d)

Energy

27.

What force pulls everything toward Earth?

a)

Magnetism

b)

Gravity

c)

Friction

d)

Push

28.

What kind of energy do we get from the sun?

a)

Electrical

b)

Light

c)

Wind

d)

Sound

29.

What type of energy is stored in food?

a)

Heat

b)

Light

c)

Chemical

d)

Electrical

30.

Which object uses electrical energy?

a)

Candle

b)

Flashlight

c)

Fan

d)

Both B and C

31.

What happens when more force is applied to an object?

a)

It slows down

b)

It moves faster

c)

It stays the same

d)

It disappears

32.

Which surface has the least friction?

a)

Rough road

b)

Ice

c)

Carpet

d)

Sand

33.

A stretched rubber band has what type of energy?

a)

Kinetic

b)

Potential

c)

Heat

d)

Sound

34.

What kind of energy makes a car move?

a)

Solar

b)

Electrical

c)

Chemical

d)

Wind

35.

What type of simple machine is a seesaw?

a)

Pulley

b)

Lever

c)

Inclined plane

d)

Wheel and axle

36.

What type of simple machine is a seesaw?

a)

Pulley

b)

Lever

c)

Inclined plane

d)

Wheel and axle

37.

What happens to energy when we rub our hands together?

a)

It disappears

b)

It changes to sound

c)

It changes to heat

d)

It stays the same

38.

Which of the following is NOT a form of energy?

a)

Heat

b)

Force

c)

Sound

d)

Light

39.

Which force slows down moving objects?

a)

Gravity

b)

Friction

c)

Magnetism

d)

Air pressure

40.

What energy change happens in a flashlight?

a)

Chemical → Light

b)

Heat → Chemical

c)

Sound → Electrical

d)

Light → Chemical

41.

What kind of energy does a moving car have?

a)

Kinetic

b)

Potential

c)

Light

d)

Solar

42.

When energy changes from one form to another, it is called ____.

a)

Energy transfer

b)

Energy conversion

c)

Energy loss

d)

Motion

43.

What law states that energy cannot be created or destroyed?

a)

Law of Motion

b)

Law of Conservation of Energy

c)

Law of Force

d)

Law of Gravity

44.

A generator converts ____ energy to electrical energy.

a)

Chemical

b)

Mechanical

c)

Heat

d)

Sound

45.

What causes an object to resist change in motion?

a)

Gravity

b)

Inertia

c)

Friction

d)

Momentum

46.

A battery in use is an example of what energy transformation?

a)

Chemical to electrical

b)

Electrical to heat

c)

Light to heat

d)

Mechanical to sound

47.

What do plants need to make their food?

a)

Soil

b)

Water, air, and sunlight

c)

Rocks

d)

Heat only

48.

Which part of the plant makes food?

a)

Root

b)

Stem

c)

Leaf

d)

Flower

49.

Which part of the human body pumps blood?

a)

Brain

b)

Heart

c)

Lungs

d)

Stomach

50.

Which life process is shown when a cat gives birth?

a)

Growth

b)

Reproduction

c)

Movement

d)

Circulation

51.

What group of animals lay eggs and have feathers?

a)

Fish

b)

Mammals

c)

Birds

d)

Reptiles

52.

What process allows green plants to make food?

a)

Digestion

b)

Photosynthesis

c)

Circulation

d)

Transpiration

53.

What part of the cell controls its activities?

a)

Nucleus

b)

Cell wall

c)

Cytoplasm

d)

Membrane

54.

Which organ helps us breathe?

a)

Brain

b)

Lungs

c)

Heart

d)

Kidney

55.

What organ in the digestive system absorbs nutrients?

a)

Stomach

b)

Small intestine

c)

Large intestine

d)

Mouth

56.

Which shows the correct energy flow in a food chain?

a)

Sun → Plant → Animal

b)

Animal → Plant → Sun

c)

Plant → Sun → Animal

d)

Sun → Animal → Plant

57.

Which stage in a butterfly’s life cycle comes after larva?

a)

Egg

b)

Pupa

c)

Adult

d)

Tadpole

58.

Which group of vertebrates have scales and gills?

a)

Amphibians

b)

Birds

c)

Fish

d)

Mammals

59.

What do we call animals that eat only plants?

a)

Herbivores

b)

Carnivores

c)

Omnivores

d)

Decomposers

60.

What helps plants absorb water and minerals from soil?

a)

Stem

b)

Roots

c)

Leaves

d)

Flowers

61.

Which human organ removes waste from blood?

a)

Lungs

b)

Kidney

c)

Heart

d)

Brain

62.

Which part of the plant transports food?

a)

Xylem

b)

Phloem

c)

Stomata

d)

Root hair

63.

Which kingdom includes bacteria?

a)

Protista

b)

Fungi

c)

Monera

d)

Plantae

64.

Which process allows oxygen to enter the blood?

a)

Digestion

b)

Circulation

c)

Respiration

d)

Reproduction

65.

What organ system controls all body activities?

a)

Respiratory

b)

Digestive

c)

Nervous

d)

Circulatory

66.

What gas do humans release during respiration?

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

d)

Hydrogen

67.

Which is the center of the solar system?

a)

Earth

b)

Sun

c)

Moon

d)

Mars

68.

What causes day and night?

a)

Revolution of Earth

b)

Rotation of Earth

c)

Spinning of Sun

d)

Movement of Moon