Grade 6 Science Diagnostic Exam

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AbuBakrShalabi

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1 / 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

2 / 20

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

Revolution

Equator

Orbit

Axis

3 / 20

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

To pump blood throughout the body

To produce hormones

To filter waste from the blood

To break down food

4 / 20

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

Earth

Saturn

Mars

Jupiter

5 / 20

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

Melting

Condensation

Freezing

Evaporation

6 / 20

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

Gravity

Magnetism

Air resistance

Friction

7 / 20

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

Paper burning

Ice melting

Cutting wood

Water boiling

8 / 20

What is the basic unit of all living organisms?

The Organ

The Tissue

The Cell

The Atom

9 / 20

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

Mixture

Solute

Solution

Solvent

10 / 20

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

To break down dead organisms and waste

To eat other animals

To eat plants

To produce its own food

11 / 20

Which of the following is a renewable energy source?

Coal

Solar power

Oil

Natural gas

12 / 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.

13 / 20

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

A lion

A cactus

A snake

A rabbit

14 / 20

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

Volcanoes

The Sun

Wind

Water

15 / 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 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.

16 / 20

Why does the Earth experience day and night?

Because the Sun rises and sets

Because the Earth revolves around the Sun

Because the Earth rotates on its axis

Because the Moon orbits the Earth

17 / 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

18 / 20

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

A ray

A wave

A beam

A shadow

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

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

To break down food using acid and enzymes

To chew food

To pump blood

To absorb water and minerals

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Grade 6 Science Diagnostic Exam

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