Grade 6 Science Diagnostic Exam

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AbuBakrShalabi

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1 / 20

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

A ray

A beam

A shadow

A wave

2 / 20

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

The roots

The flowers

The stem

The leaves

3 / 20

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

A bowling ball

A soccer ball

A feather

A paperclip

4 / 20

What is the basic unit of all living organisms?

The Organ

The Tissue

The Atom

The Cell

5 / 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.

6 / 20

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

Air resistance

Gravity

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 break down food

To pump blood throughout the body

8 / 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

9 / 20

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

Ice melting

Water boiling

Cutting wood

Paper burning

10 / 20

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

Revolution

Axis

Orbit

Equator

11 / 20

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

To break down food using acid and enzymes

To absorb water and minerals

To chew food

To pump blood

12 / 20

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

A snake

A lion

A rabbit

A cactus

13 / 20

Which of the following is a renewable energy source?

Natural gas

Coal

Solar power

Oil

14 / 20

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

Solution

Solute

Solvent

Mixture

15 / 20

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

Freezing

Melting

Evaporation

Condensation

16 / 20

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

To eat plants

To break down dead organisms and waste

To eat other animals

To produce its own food

17 / 20

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

The Skeletal System

The Respiratory System

The Nervous System

The Muscular System

18 / 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.

19 / 20

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

Saturn

Mars

Jupiter

Earth

20 / 20

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

Volcanoes

Water

Wind

The Sun

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Grade 6 Science Diagnostic Exam

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