Grade 6 Science Diagnostic Exam

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AbuBakrShalabi

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1 / 20

What happens to the particles of a substance when it changes from a solid to a liquid?

The particles get closer together.

The particles lose energy.

The particles gain energy and move more freely.

The particles stop moving.

2 / 20

Which of these objects would have the most gravitational force acting on it?

A feather

A soccer ball

A paperclip

A bowling ball

3 / 20

What is the role of a decomposer in a food web?

To break down dead organisms and waste

To produce its own food

To eat other animals

To eat plants

4 / 20

The main source of energy for most ecosystems on Earth is:

Wind

The Sun

Water

Volcanoes

5 / 20

What is the name of the system in the human body that allows us to breathe?

The Respiratory System

The Nervous System

The Muscular System

The Skeletal System

6 / 20

What is the name of the path the Earth follows as it moves around the Sun?

Axis

Revolution

Equator

Orbit

7 / 20

What is the main function of the heart in the human body?

To filter waste from the blood

To produce hormones

To pump blood throughout the body

To break down food

8 / 20

Which of the following parts of a plant is responsible for absorbing water and nutrients from the soil?

The roots

The leaves

The stem

The flowers

9 / 20

Which of the following is a producer in a food chain?

A cactus

A lion

A snake

A rabbit

10 / 20

A substance that dissolves in another substance to form a solution is called the:

Solvent

Solution

Mixture

Solute

11 / 20

What is the main difference between a mixture and a compound?

A mixture can only be made of two substances, while a compound can be made of many.

A mixture can be separated by physical means, while a compound requires chemical means.

A mixture's components are chemically bonded, while a compound's are not.

A mixture has a fixed ratio of components, while a compound does not.

12 / 20

What is the basic unit of all living organisms?

The Atom

The Organ

The Cell

The Tissue

13 / 20

The force that pulls all objects towards the center of the Earth is called:

Friction

Air resistance

Gravity

Magnetism

14 / 20

What is the process called when a liquid changes to a gas?

Condensation

Melting

Freezing

Evaporation

15 / 20

Which of the following is the largest planet in our solar system?

Saturn

Earth

Mars

Jupiter

16 / 20

Why does the Earth experience day and night?

Because the Earth rotates on its axis

Because the Sun rises and sets

Because the Moon orbits the Earth

Because the Earth revolves around the Sun

17 / 20

Which of the following is an example of a chemical change?

Paper burning

Water boiling

Cutting wood

Ice melting

18 / 20

When you shine a flashlight on a wall, what is the path of the light called?

A shadow

A beam

A wave

A ray

19 / 20

Which of the following is a renewable energy source?

Solar power

Coal

Oil

Natural gas

20 / 20

What is the function of the stomach in the digestive system?

To chew food

To pump blood

To absorb water and minerals

To break down food using acid and enzymes

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Grade 6 Science Diagnostic Exam

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