Grade 6 Science Diagnostic Exam

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1 / 20

Why does the Earth experience day and night?

Because the Sun rises and sets

Because the Earth rotates on its axis

Because the Moon orbits the Earth

Because the Earth revolves around the Sun

2 / 20

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

Axis

Orbit

Revolution

Equator

3 / 20

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

A feather

A soccer ball

A bowling ball

A paperclip

4 / 20

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

The Skeletal System

The Nervous System

The Muscular System

The Respiratory System

5 / 20

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

To filter waste from the blood

To break down food

To pump blood throughout the body

To produce hormones

6 / 20

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

To eat plants

To eat other animals

To produce its own food

To break down dead organisms and waste

7 / 20

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

To absorb water and minerals

To pump blood

To break down food using acid and enzymes

To chew food

8 / 20

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

Solute

Solution

Solvent

Mixture

9 / 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 stop moving.

The particles gain energy and move more freely.

10 / 20

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

A cactus

A snake

A rabbit

A lion

11 / 20

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

Cutting wood

Paper burning

Ice melting

Water boiling

12 / 20

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

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

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

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

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

13 / 20

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

The leaves

The roots

The stem

The flowers

14 / 20

What is the basic unit of all living organisms?

The Tissue

The Organ

The Atom

The Cell

15 / 20

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

Evaporation

Freezing

Melting

Condensation

16 / 20

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

A wave

A shadow

A beam

A ray

17 / 20

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

Magnetism

Gravity

Air resistance

Friction

18 / 20

Which of the following is a renewable energy source?

Oil

Natural gas

Coal

Solar power

19 / 20

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

Saturn

Earth

Mars

Jupiter

20 / 20

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

Wind

The Sun

Volcanoes

Water

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Grade 6 Science Diagnostic Exam

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