Earth and Space
Ecosystem
Force, Motion, and Energy
100

The third planet from the sun

What is Earth?

100

A place where an animal or plant lives

What is habitat?

100

The force that resists motion when two surfaces rub against each other

What is friction?

200

The star at the center of our universe

What is the sun?

200

All living or once once-living organisms, plants and animals

What is biotic? 

200

A unit used to measure the loudness of sound

What is decibel?

300

A large body that moves in an orbit around a star

What is planet?

300

A single organism in an environment, one mouse in a field 

What is individual?

300

The light energy that bounces off a surface

What is reflection?

400

The largest planet in our solar system 

What is Jupiter

400

A broken or incomplete electrical path

What is open circuit?

500

The different appearances of the moon caused by the moon's orbit around Earth

What is lunar cycle?

500

The transfer of heat through currents in gas or liquid

What is convection?

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