Grade 6 Science Diagnostic Exam

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AbuBakrShalabi

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1 / 20

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

The Muscular System

The Respiratory System

The Skeletal System

The Nervous System

2 / 20

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

A snake

A rabbit

A lion

A cactus

3 / 20

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

Axis

Revolution

Orbit

Equator

4 / 20

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

Mixture

Solution

Solute

Solvent

5 / 20

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

Water boiling

Cutting wood

Paper burning

Ice melting

6 / 20

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

Gravity

Air resistance

Magnetism

Friction

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

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

The particles stop moving.

The particles get closer together.

The particles lose energy.

The particles gain energy and move more freely.

9 / 20

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

The roots

The stem

The leaves

The flowers

10 / 20

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

A paperclip

A soccer ball

A bowling ball

A feather

11 / 20

What is the basic unit of all living organisms?

The Organ

The Cell

The Atom

The Tissue

12 / 20

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

To chew food

To absorb water and minerals

To break down food using acid and enzymes

To pump blood

13 / 20

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

Evaporation

Condensation

Melting

Freezing

14 / 20

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

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.

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

15 / 20

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

Water

Volcanoes

The Sun

Wind

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 Earth revolves around the Sun

Because the Moon orbits the Earth

17 / 20

Which of the following is a renewable energy source?

Oil

Solar power

Natural gas

Coal

18 / 20

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

A beam

A shadow

A wave

A ray

19 / 20

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

Saturn

Mars

Jupiter

Earth

20 / 20

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

To eat other animals

To break down dead organisms and waste

To produce its own food

To eat plants

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Grade 6 Science Diagnostic Exam

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