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Grade 4 Science Quiz Semester 1

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

Which state of matter has particles tightly packed together?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

2.

What happens when water freezes?

a)

It turns into gas

b)

It turns into a solid

c)

It evaporates

d)

It condenses

3.

Which process describes water turning into vapor?

a)

Melting

b)

Freezing

c)

Evaporation

d)

Condensation

4.

When ice melts, it turns into:

a)

Gas

b)

Liquid

c)

Solid

d)

Vapor

5.

What happens to a liquid when heated to boiling point?

a)

It condenses

b)

It evaporates

c)

It freezes

d)

It remains the same

6.

What is the name of the process where water vapor turns back into liquid?

a)

Melting

b)

Condensation

c)

Freezing

d)

Evaporation

7.

Which tool would you use to measure how long it takes ice to melt?

a)

Ruler

b)

Thermometer

c)

Stopwatch

d)

Balance scale

8.

What is the state of matter of steam?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

9.

Which process removes salt from seawater?

a)

Freezing

b)

Evaporation

c)

Filtration

d)

Condensation

10.

Which state of matter can be compressed easily?

a)

Solid

b)

Liquid

c)

Gas

d)

All of the above

11.

What is a habitat?

a)

A place where animals live and thrive

b)

A place for humans to play

c)

A dangerous environment

d)

An unnatural environment

12.

Which tool would help you study pond life?

a)

Pooter

b)

Pond net

c)

Microscope

d)

Ruler

13.

What is an example of water pollution?

a)

Plastic in oceans

b)

Clean drinking water

c)

Recycling plants

d)

Fresh lakes

14.

Fossil fuels are a major cause of:

a)

Clean energy

b)

Air pollution

c)

Wildlife preservation

d)

None of the above

15.

Which is a renewable energy source?

a)

Coal

b)

Wind

c)

Oil

d)

Natural gas

16.

What causes a tsunami?

a)

Strong winds

b)

Earthquake under the sea

c)

Volcanic eruption on land

d)

River flooding

17.

How can you prepare for an earthquake?

a)

Run outside

b)

Take cover under sturdy furniture

c)

Stand near windows

d)

Ignore safety measures

18.

What is an effect of air pollution?

a)

Cleaner environment

b)

Health issues

c)

Improved water quality

d)

None of the above

19.

What is lava?

a)

Solidified water

b)

Magma that reaches the Earth's surface

c)

Liquid metal

d)

Rock dust

20.

What should you do during a tsunami warning?

a)

Stay in low-lying areas

b)

Move to higher ground

c)

Swim in the ocean

d)

Ignore the warning

21.

What is the role of teeth in digestion?

a)

Break down food into smaller pieces

b)

Absorb nutrients

c)

Produce saliva

d)

Digest carbohydrates

22.

Which nutrient is most important for building muscles?

a)

Protein

b)

Fats

c)

Carbohydrates

d)

Minerals

23.

Which food is a good source of calcium?

a)

Bread

b)

Milk

c)

Fish

d)

Meat

24.

What is a food chain?

a)

A network of highways

b)

A sequence showing how energy is passed between organisms

c)

A chain of food storage boxes

d)

None of the above

25.

Which of these is a carnivore?

a)

Lion

b)

Cow

c)

Rabbit

d)

Deer

26.

What happens to food in the stomach?

a)

It is chewed again

b)

It is absorbed directly into the bloodstream

c)

It is mixed with stomach acid to break it down

d)

It is eliminated from the body

27.

What is the primary source of energy in food chains?

a)

Sunlight

b)

Water

c)

Soil

d)

Air

28.

What type of animal eats both plants and animals?

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Producer

29.

Why are fruits considered healthy?

a)

They are high in fats

b)

They contain natural sugars and vitamins

c)

They are low in water

d)

They provide no energy

30.

What happens to food in the small intestine?

a)

It is stored for later use

b)

Nutrients are absorbed into the bloodstream

c)

It is chewed again

d)

It is excreted

31.

Which state of matter flows but has a definite volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

32.

How does freezing water affect its volume?

a)

It increases

b)

It decreases

c)

It remains the same

d)

It depends on the container

33.

What is the best way to conserve energy?

a)

Use fossil fuels

b)

Turn off lights when not in use

c)

Drive more cars

d)

Burn more coal

34.

What happens to animals if their habitat is destroyed?

a)

They find a new one immediately

b)

They face challenges to survive

c)

They adapt instantly

d)

None of the above

35.

Which layer of Earth contains magma?

a)

Crust

b)

Mantle

c)

Core

d)

Atmosphere

36.

Which tool would you use to study small organisms?

a)

Microscope

b)

Pond net

c)

Compass

d)

Stopwatch

37.

How does air pollution affect plants?

a)

It helps them grow faster

b)

It reduces their ability to photosynthesize

c)

It has no impact

d)

It increases seed production

38.

What is condensation?

a)

Solid turning into gas

b)

Gas turning into liquid

c)

Liquid turning into gas

d)

Solid turning into liquid

39.

Which part of a food chain captures energy from the sun?

a)

Producers

b)

Consumers

c)

Decomposers

d)

Herbivores

40.

What is the best way to protect yourself from a volcanic eruption?

a)

Wear protective gear

b)

Stay close to the volcano

c)

Ignore warnings

d)

Move towards lava flows

41.

What is the process called when liquid water turns into vapor?

a)

Evaporation

b)

Melting

c)

Condensation

d)

Freezing

42.

Which of the following is a primary producer in an ecosystem?

a)

Fungi

b)

Grass

c)

Rabbit

d)

Fox

43.

What is the main function of the large intestine in digestion?

a)

Produce enzymes

b)

Store waste

c)

Absorb nutrients

d)

Break down food

44.

What is the process called when a solid turns into a liquid?

a)

Melting

b)

Freezing

c)

Evaporation

d)

Condensation

45.

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

a)

Plasma

b)

Solid

c)

Liquid

d)

Gas

46.

What is the main purpose of the respiratory system?

a)

To exchange gases

b)

To circulate blood

c)

To produce hormones

d)

To digest food

47.

If you put something in a container, how would you tell if it was a liquid?

a)
It remains solid and does not change shape.
b)
It takes the shape of the container and flows.
c)
It has a fixed volume and does not flow.
d)
It can be poured but does not take the shape of the container.
48.

What is the role of the molars?

a)

To cut food into small pieces.

b)

To grind and chew food.

c)

To crush food.

d)

To rip and tear food.

49.

What is the role of the canines?

a)

To cut food into small pieces.

b)

To grind and chew food.

c)

To crush food.

d)

To rip and tear food.

50.

What is the role of the incisisors?

a)

To cut food into small pieces.

b)

To grind and chew food.

c)

To crush food.

d)

To rip and tear food.

51.

What is 'precipitation'?

a)
Precipitation is a type of cloud formation.
b)
Precipitation refers to the evaporation of water.
c)
Precipitation is the process of water being absorbed by the soil.
d)
Precipitation is water that falls from the atmosphere to the Earth's surface.
52.

Which of these are examples of precipitation?

a)

Rain

b)

Sand

c)

Snow

d)

Hail

e)

Wind

53.

What is a 'variable' in science?

a)
A variable is a constant that does not change during an experiment.
b)
A variable is the final outcome of an experiment.
c)
A variable is a type of scientific measurement that is always the same.
d)
A variable in science is a factor that can change and affect the results of an experiment.
54.

What is a vertebrate?

a)
A vertebrate is an animal with a backbone.
b)
A vertebrate is an animal without a backbone.
c)
A vertebrate is a type of fish only.
d)
A vertebrate is an insect with a hard shell.
55.

What class does this animal belong to?

a)

Amphibians

b)

Birds

c)

Mammals

d)

Reptiles

e)

Fish

56.

What class does this animal belong to?

a)

Amphibians

b)

Birds

c)

Mammals

d)

Reptiles

e)

Fish

57.

What class does this animal belong to?

a)

Amphibians

b)

Birds

c)

Mammals

d)

Reptiles

e)

Fish

58.

What class does this animal belong to?

a)

Amphibians

b)

Birds

c)

Mammals

d)

Reptiles

e)

Fish

59.

What class does this animal belong to?

a)

Amphibians

b)

Birds

c)

Mammals

d)

Reptiles

e)

Fish

60.

How can we reduce air pollution?

a)
Reduce tree planting initiatives
b)
Diminish recycling programs
c)
Encourage more private car ownership
d)
Implement public transportation, use renewable energy, reduce emissions, and increase green spaces.
e)
Increase fossil fuel usage

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