Grade 6 Science Diagnostic Exam

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AbuBakrShalabi

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1 / 20

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

To break down food using acid and enzymes

To chew food

To absorb water and minerals

To pump blood

2 / 20

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

Friction

Air resistance

Magnetism

Gravity

3 / 20

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

The Nervous System

The Respiratory System

The Muscular System

The Skeletal System

4 / 20

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

A rabbit

A snake

A lion

A cactus

5 / 20

What is the basic unit of all living organisms?

The Tissue

The Atom

The Cell

The Organ

6 / 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 stop moving.

The particles lose energy.

The particles gain energy and move more freely.

7 / 20

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

Melting

Condensation

Freezing

Evaporation

8 / 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.

9 / 20

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

Mixture

Solute

Solvent

Solution

10 / 20

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

To produce hormones

To filter waste from the blood

To break down food

To pump blood throughout the body

11 / 20

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

The flowers

The leaves

The roots

The stem

12 / 20

Why does the Earth experience day and night?

Because the Moon orbits the Earth

Because the Earth rotates on its axis

Because the Sun rises and sets

Because the Earth revolves around the Sun

13 / 20

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

Volcanoes

The Sun

Water

Wind

14 / 20

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

Water boiling

Cutting wood

Ice melting

Paper burning

15 / 20

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

A ray

A beam

A wave

A shadow

16 / 20

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

Equator

Axis

Orbit

Revolution

17 / 20

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

Earth

Saturn

Jupiter

Mars

18 / 20

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

To produce its own food

To eat plants

To break down dead organisms and waste

To eat other animals

19 / 20

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

A feather

A paperclip

A bowling ball

A soccer ball

20 / 20

Which of the following is a renewable energy source?

Natural gas

Oil

Solar power

Coal

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Grade 6 Science Diagnostic Exam

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