Experiments
Earth Science
Space
Animals
Plants
100

Mixing baking soda and vinegar creates this fizzy gas.

What is carbon dioxide?

100

The ground we walk on is called this.

What is land (or soil)?

100

The star at the center of our solar system.

What is the Sun?

100

Animals that eat plants are called this.

What are herbivores?

100

Plants need this from the sky to grow.

What is sunlight?

200

This tool is used to look at tiny things.

What is a microscope?

200

Hot melted rock under Earth’s surface is called this.

What is magma?

200

The planet we live on.

What is Earth?

200

This animal is the largest land animal.

What is an elephant?

200

The process plants use to make food is called this.

What is Photosynthesis?

300

When a liquid turns into a solid, it is called this.

What is freezing?

300

This layer of Earth is where we live.

What is the crust?

300

This object orbits Earth and lights up the night sky.

What is the Moon?

300

Animals that are active at night are called this.

What are nocturnal animals?

300

This part of the plant takes in water from the soil.

What are roots?

400

This is what we call a test you do to learn something new.

What is an experiment?

400

This natural disaster shakes the ground.

What is an earthquake?

400

The red planet is called this.

What is Mars?

400

This animal can change its color to blend in.

What is a chameleon?

400

This green substance helps plants make food.

What is chlorophyll?

500

This step-by-step plan helps scientists test ideas.

What is the scientific method?

500

This huge storm has strong winds and heavy rain over oceans.

What is a hurricane?

500

This galaxy is where we live.

What is the Milky Way?

500

This mammal can fly.

What is a bat?

500

Plants release this gas into the air.

What is oxygen?