Plants and Animals
Biology
Physics
Outer Space
Planet Earth
100

This word describes an animal that is more active at night than during the day.

What is nocturnal?
100

This body organ is responsible for pumping blood through our entire body. 

What is the heart?

100

This force pulls us down towards the center of the Earth. It is responsible for keeping the moon close to Earth and the planets circling the Sun.  

What is gravity?

100

The name given to the collection of planets, including Earth, that revolve around our star, known as the Sun.

What is the Solar System?

100

These dense forests are home to over half of planet Earth's plants and animals. 

What is the rainforest?

200
When animals use the colors and patterns of their body, along with their environment, to hide.

What is camouflage?

200

This element is found in the air, in water, and helps our cells have energy. We breathe it in. 

What is oxygen?

200

This word describes anything that takes up space and has weight.

What is matter?

200

This person's job is to go out into space and study what it's like to live off planet Earth.

What is an astronaut?

200

This word describes the type of weather where different forms of water fall from the sky.

What is precipitation?

300

The remains of animals and plants from millions of years ago that became rocks or left impressions in rocks.

What is a fossil?

300

This invention makes it possible to see inside the human body. 

What is an x-ray?

300

This force allows us to move and stop as we please, without it we would slide all over the place.

What is friction?

300

This person's job is to study stars, planets, and other objects in space.

What is an astronomer?

300

This place is responsible for producing most of the Earth's oxygen.

What is the ocean?

400

These animals are no longer alive and have no more of their kind on Earth.

What is extinct?

400

This form of isolation is meant to protect communities when someone or many people are sick.

What is quarantine?

400

This science is the study of how we see light and its colors.

What is chromatics?

400

This word is used to describe how a planet travels around the Sun or how a moon travels around a planet.

What is orbit?

400

This is what we call the area where specific plants and animals live. 

What is a habitat?

500

This word describes an animal that is more active during the day and less active at night.

What is diurnal?

500

This process allows plants to receive light and turn it into energy. 

What is photosynthesis?

500

These tiny particles are responsible for electricity. When they move, their energy creates electricity. 

What are electrons?

500

The collection of stars, gas, and dust held together by gravity. The one we are a part of is called "The Milky Way"

What is a galaxy?

500

This word describes the careless handling of waste and trash. It can destroy the environment and it hurts our planet.

What is pollution?

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