Matter and Energy
Living Things & Environment
Earth & Space
Human Body
10

This state of matter has a definite shape and volume.

Solid

10

The movement of energy through different organisms in an ecosystem is shown in this diagram.

food web

10

This is the planet known as the "Red Planet."

Mars

10

This organ pumps blood throughout the body.

Heart

20

The ability to do work or cause change is called ____.

Energy

20

The process where an organism changes form as it grows, such as a butterfly.


metamorphosis?

20

The Sun is classified as this type of celestial object.

Sun

20

The system responsible for breaking down food into nutrients.

Digestive System

30

When a solid turns directly into gas without becoming a liquid, it is called ____.

sublimation

30

This term describes the role an organism plays in its ecosystem.

Niche

30

This layer of the Earth is made of solid rock and is divided into tectonic plates.

crust 

30

These structures in the respiratory system help filter dust and dirt from the air we breathe.

Cilia

40

The process by which heat is transferred through direct contact.

conduction

40

Animals that only eat plants are called ____.

herbivores

40

This force keeps planets in orbit around the Sun.


gravity

40

The main function of red blood cells.

to carry oxygen

50

The law that states energy cannot be created or destroyed, only transformed.

The Law of Conservation of Energy

50

The process by which plants make their food using sunlight.

Photosynthesis

50

What is the Earth's only satellite

Moon/Luna

50

The largest organ in the human body.


skin

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