Earth Science
Cells & Body Systems
Energy & Motion
Scientific Tools
Space Science
100

The layer of Earth we live on

Crust

100

The basic unit of life

Cell

100

A push or pull on an object

Force

100

A statement that answers a question

Claim

100

The star at the center of our solar system

The Sun

200

This is molten rock that is found beneath the Earth's surface

Magma

200

The center part of the cell that controls its activities

Nucleus

200

Anything that has mass and takes up space

Matter

200

Data that supports your argument

Evidence

200

The force that pulls objects together in space

Gravity

300

The part of Earth where life exists 

Biosphere

300

The powerhouse of the cell which produces energy

Mitochondria

300

The type of energy an object has due to its motion

Kinetic energy

300

The variable you measure in an experiment

Dependent variable

300

The path an object takes around another object

Orbit

400

This is the process where wind or water moves sediment from one place to another

Erosion

400

The process cells use to release energy from food

Cellular respiration

400

This scientist is famous for describing the laws of motion and gravity

Isaac Newton

400

The variable in an experiment which you do change/manipulate

Independent variable

400

The system made up of the Sun and all objects that orbit it

Solar System

500

A natural resource that cannot be replaced quickly, or replaced at all

Nonrenewable resource

500
The mechanism that keeps the body's internal conditions stable

Homeostasis

500

Stored energy for an object at rest that depends on the position

Potential Energy

500

The variable in an experiment that does NOT change

Control

500

The movement of Earth around the Sun

Revolution