Plants and Animals
The Human Body
Space
Physics
Weather and the World
100

When an animal uses its body and the environment to hide.

What is camouflage?

100

This is the body part responsible for pumping and circulating blood throughout the body.

What is the heart?

100

This is the name we use to refer to our Sun and the planets that surround it. 

What is "The Solar System?"


100

This is a force that stops an object from moving.

What is friction?

100

When the temperature is low enough, water in clouds will freeze and then fall to the ground as this substance. With enough luck, it will be fluffy enough to play with.

What is snow?

200

This word describes an animal that is awake at night and asleep during the day. 

What is nocturnal?

200

This internal organ (an organ inside our body) is responsible for allowing us to breathe. 

What are the lungs?

200

This word is used to describe an object traveling around a planet or star due to gravity.

What is orbit?

200

This is the force required for a plane to go up and fly.

What is lift?

200

These locations, with many trees and frequent wet weather, are home to most of the world's animals and help provide Earth with fresh oxygen.  

What are rainforests?

300

Bones, shells, and even leaves from plants and animals that lived long ago. After millions of years, they turn into rock and are found underground. 

What are fossils?

300

This is a special digit on our hands that allows humans to grip and use tools. 

What are thumbs?

300

This is a trained person, usually a special scientist, who travels out into space.

What is an astronaut?

300

These are the three states of matter.

What is solid, liquid, and gas?

300

We use this word after a number to say how hot or cold the temperature is.

What are "degrees?"

400

These animals are known for their two body segments and eight legs. They do not have wings or antennae.

What are arachnids?

400

This is the gas that we breathe in with our lungs and is essential to human life. 

What is Oxygen?

400

A collection of stars circling a black hole. Ours is called "The Milky Way."

What is a galaxy?

400

These tiny particles are responsible for electricity. They create electricity when they move from atom to atom. 

What are electrons?

400

This frozen rain can range in size from small pellets to as large as baseballs.  

What is hail?

500

This word describes an animal that is awake during the day and asleep at night

What is diurnal?

500

This is something found on every person's digits. It is unique to each person. Some shapes it makes are spirals, loops, whorls, and arches.  

What are fingerprints?

500

This term refers to scientists who study space from Earth, often using telescopes and other tools. 

What is an astronomer?

500

The study of light and how the colors of light behave.

What is chromatics?

500

This word is used to describe any form of water that falls from clouds

What is precipitation?