Plants
Space
Human Body
Matter & Energy
Earth Science
100

This part of the plant makes seed.

What is a flower?

100

The star at the center of our solar system.

What is the Sun?

100

The organ that pumps blood.

What is the heart?

100

The three states of matter: solid, liquid, and this.

What is gas?

100

The layer of Earth we live on.

What is the crust?

200

The part of the plant that absorbs water.

What is the root?

200

Earth’s natural satellite.

What is the Moon?

200

We breathe with these.

What are the lungs?

200

Something that takes up space and has mass.

What is matter?

200

Moving air.

What is wind?

300

The part that carries water from roots to leaves.

What is the stem?

300

The force that keeps planets in orbit.

What is gravity?

300

The body system that controls thoughts and movement.

What is the nervous system?

300

A change from liquid to gas.

What is evaporation?

300

Melted rock under Earth’s surface.

What is magma?

400

Plants make food using sunlight in this process.

What is photosynthesis?

400

The red planet.

What is Mars?

400

The system that breaks down food.

What is the digestive system?

400

The two main types of energy the sun shoots out.

What is light and thermal/heat energy?

400

The process where water falls from clouds.

What is precipitation?

500

The gas plants release during photosynthesis.

What is oxygen?

500

A rocky object that orbits the Sun, mostly between Mars and Jupiter.

What is an asteroid/asteroid belt?

500

The tiny units that make up all living things.

What are cells?

500

A change where no new substance is formed.

What is a physical change?

500

5Large pieces of Earth’s crust that move slowly.

What are tectonic plates?

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