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Worksheets

Sci REV

Total questions: 86

Worksheet time: 43mins

Name
Class
Date
1.

What does the moon reflect?

a)

Sunlight

b)

Its own light

c)

Earthlight

d)

Star light

2.

Which season is usually the hottest?

a)

Summer

b)

Winter

c)

Rainy

d)

Spring

3.

What is the outermost layer of the Earth?

a)

Mantle

b)

Crust

c)

Core

d)

Inner core

4.

Which instrument measures earthquakes?

a)

Barometer

b)

Seismograph

c)

Thermometer

d)

Rain gauge

5.

Which planet is known as the “Red Planet”?

a)

Mercury

b)

Earth

c)

Mars

d)

Jupiter

6.

What causes the changing seasons?

a)

Earth’s rotation

b)

Earth’s revolution and tilt

c)

Moon’s orbit

d)

Sun’s movement

7.

What type of rock forms from cooled magma or lava?

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Mineral

8.

Which process wears away rocks?

a)

Deposition

b)

Weathering

c)

Melting

d)

Condensation

9.

Which layer of the Earth is made of molten rock?

a)

Mantle

b)

Crust

c)

Inner core

d)

Outer core

10.

What does a barometer measure?

a)

Air pressure

b)

Temperature

c)

Rainfall

d)

Humidity

11.

What force causes rain to fall to the ground?

a)

Friction

b)

Gravity

c)

Pressure

d)

Heat

12.

Which planet is closest to the Sun?

a)

Earth

b)

Venus

c)

Mercury

d)

Mars

13.

What do we call the movement of Earth around the Sun?

a)

Rotation

b)

Revolution

c)

Orbit

d)

Spin

14.

Which layer of the atmosphere do we live in?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

15.

What causes tides on Earth?

a)

Earth’s rotation

b)

Sun’s rays

c)

Moon’s gravity

d)

Wind

16.

Which process forms clouds?

a)

Evaporation

b)

Condensation

c)

Precipitation

d)

Collection

17.

Which natural disaster is measured using the Richter scale?

a)

Typhoon

b)

Earthquake

c)

Volcano

d)

Tornado

18.

What type of boundary causes mountains to form?

a)

Divergent

b)

Convergent

c)

Transform

d)

Static

19.

Which planet has the largest number of moons?

a)

Earth

b)

Saturn

c)

Jupiter

d)

Neptune

20.

What layer of Earth is made mostly of iron and nickel?

a)

Crust

b)

Mantle

c)

Outer core

d)

Inner core

21.

What kind of rock forms from layers pressed together over time?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

d)

Fossil

22.

What do we call the path Earth follows around the Sun?

a)

Orbit

b)

Axis

c)

Equator

d)

Hemisphere

23.

What form of energy helps us see things?

a)

Sound

b)

Light

c)

Heat

d)

Electrical

24.

What process turns water into vapor?

a)

Freezing

b)

Melting

c)

Evaporation

d)

Condensation

25.

Which of these animals undergoes metamorphosis?

a)

Frog

b)

Dog

c)

Cat

d)

Bird

26.

What is the main source of energy on Earth?

a)

Electricity

b)

The Sun

c)

Fire

d)

Wind

27.

What process breaks rocks into smaller pieces?

a)

Weathering

b)

Melting

c)

Condensation

d)

Erosion

28.

What gas do plants release during photosynthesis?

a)

Carbon dioxide

b)

Oxygen

c)

Nitrogen

d)

Hydrogen

29.

What do you call the pull of the Earth that keeps us on the ground?

a)

Friction

b)

Magnetism

c)

Gravity

d)

Motion

30.

Which object will float on water?

a)

Stone

b)

Iron nail

c)

Wooden stick

d)

Coin

31.

Which material allows light to pass through completely?

a)

Wood

b)

Glass

c)

Metal

d)

Rubber

32.

What energy helps us to see things around us?

a)

Sound energy

b)

Light energy

c)

Heat energy

d)

Mechanical energy

33.

The ability to do work is called _____.

a)

Power

b)

Energy

c)

Force

d)

Strength

34.

Which of the following is an example of a renewable energy source?

a)

Coal

b)

Oil

c)

Solar energy

d)

Natural gas

35.

What happens to water when it freezes?

a)

It turns into gas

b)

It becomes ice

c)

It evaporates

d)

It condenses

36.

What state of matter has a definite shape and definite volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

37.

What kind of mixture is muddy water?

a)

Solution

b)

Colloid

c)

Suspension

d)

Compound

38.

Which force slows down moving objects?

a)

Gravity

b)

Push

c)

Friction

d)

Magnetism

39.

What tool is used to measure temperature?

a)

Thermometer

b)

Barometer

c)

Ruler

d)

Stopwatch

40.

What part of the plant makes food?

a)

Root

b)

Stem

c)

Flower

d)

Leaf

41.

Which organ pumps blood throughout the body?

a)

Brain

b)

Heart

c)

Lungs

d)

Stomach

42.

What gas do plants release during photosynthesis?

a)

Carbon dioxide

b)

Nitrogen

c)

Oxygen

d)

Hydrogen

43.

Which organ helps people to breathe?

a)

Lungs

b)

Heart

c)

Stomach

d)

Kidneys

44.

Which animal lays eggs?

a)

Dog

b)

Cat

c)

Hen

d)

Cow

45.

What does a seed need to grow?

a)

Toys and air

b)

Water, sunlight, and soil

46.

Which animal lays eggs?

a)

Dog

b)

Cat

c)

Hen

d)

Cow

47.

What does a seed need to grow?

a)

Toys and air

b)

Water, sunlight, and soil

c)

Ice and wind

d)

Heat and snow

48.

What is the center of our Solar System?

a)

Moon

b)

Sun

c)

Earth

d)

Jupiter

49.

What causes day and night?

a)

Earth’s revolution

b)

Earth’s rotation

c)

Sun’s movement

d)

Moon’s orbit

50.

Which planet is called the “Red Planet”?

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

51.

What keeps planets moving around the Sun?

a)

Friction

b)

Gravity

c)

Magnetism

d)

Air

52.

Which planet is known for its beautiful rings?

a)

Earth

b)

Mars

c)

Saturn

d)

Neptune

53.

What instrument is used to look at stars closely?

a)

Microscope

b)

Telescope

c)

Binoculars

d)

Periscope

54.

What layer of the Earth do we live on?

a)

Core

b)

Mantle

c)

Crust

d)

Inner core

55.

What natural event shakes the ground?

a)

Volcano

b)

Earthquake

c)

Tsunami

d)

Typhoon

56.

What causes ocean tides?

a)

Wind

b)

Rain

c)

Moon’s gravity

d)

Sun’s heat

57.

What is the main source of light and heat on Earth?

a)

Fire

b)

Sun

c)

Moon

d)

Lightning

58.

What type of rock is formed from cooled lava?

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Fossil

59.

What kind of energy is produced by moving water?

a)

Solar energy

b)

Hydro energy

c)

Wind energy

d)

Chemical energy

60.

What happens to water when it evaporates?

a)

It turns into ice

b)

It changes into gas

c)

It melts

d)

It condenses

61.

What part of a plant absorbs water and nutrients from the soil?

a)

Stem

b)

Leaf

c)

Root

d)

Flower

62.

Which organ helps digest food?

a)

Heart

b)

Stomach

c)

Brain

d)

Lungs

63.

Which of the following is NOT a renewable resource?

a)

Wind

b)

Coal

c)

Water

d)

Sunlight

64.

What process turns liquid water into vapor?

a)

Freezing

b)

Condensation

c)

Evaporation

d)

Melting

65.

What tool measures the amount of rainfall?

a)

Thermometer

b)

Rain gauge

c)

Barometer

d)

Anemometer

66.

What type of motion does a swinging pendulum show?

a)

Circular motion

b)

Back-and-forth motion

c)

Up-and-down motion

d)

Straight motion

67.

What is the hardest natural substance on Earth?

a)

Gold

b)

Iron

c)

Diamond

d)

Silver

68.

Which of the following is a conductor of heat?

a)

Plastic

b)

Rubber

c)

Wood

d)

Metal

69.

What causes sound to travel?

a)

Air particles vibrating

b)

Light reflection

c)

Heat expansion

d)

Gravity pulling

70.

What type of energy is stored in food?

a)

Electrical energy

b)

Sound energy

c)

Chemical energy

d)

Solar energy

71.

What causes the Moon to shine at night?

a)

It produces its own light

b)

It reflects sunlight

c)

It glows in the dark

d)

It absorbs starlight

72.

Which simple machine is used in cutting tools like scissors?

a)

Pulley

b)

Wedge

c)

Lever

d)

Screw

73.

What do you call animals that eat both plants and meat?

a)

Herbivores

b)

Carnivores

c)

Omnivores

d)

Detritivores

74.

What kind of weather instrument measures air pressure?

a)

Barometer

b)

Anemometer

c)

Hygrometer

d)

Thermometer

75.

Which planet is closest to the Sun?

a)

Earth

b)

Mercury

c)

Venus

d)

Mars

76.

What property of matter describes how heavy or light it is?

a)

Color

b)

Mass

c)

Shape

d)

Texture

77.

Which of these materials is magnetic?

a)

Glass

b)

Plastic

c)

Iron

d)

Rubber

78.

What happens when light passes through a glass prism?

a)

It disappears

b)

It bends and forms colors

c)

It speeds up

d)

It darkens

79.

What form of energy allows us to hear music?

a)

Electrical

b)

Heat

c)

Sound

d)

Light

80.

What do you call the change of water vapor into liquid?

a)

Condensation

b)

Evaporation

c)

Freezing

d)

Melting

81.

What process do green plants use to make their own food?

a)

Respiration

b)

Photosynthesis

c)

Fermentation

d)

Germination

82.

What is the outermost layer of the Earth called?

a)

Mantle

b)

Core

c)

Crust

d)

Magma

83.

Which of the following is a transparent material?

a)

Cardboard

b)

Glass

c)

Wood

d)

Plastic bag (opaque)

84.

What type of energy is produced by moving wind?

a)

Chemical

b)

Wind

c)

Kinetic

d)

Solar

85.

What kind of simple machine is a seesaw?

a)

Lever

b)

Pulley

c)

Screw

d)

Wheel and axle

86.

Which organ controls all body functions?

a)

Brain

b)

Heart

c)

Lungs

d)

Kidneys

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