Astronomy
Research
States of Matter
Chemistry
Biology
100

Solar System

Consists of a star and everything that orbits or travels around the star

100

Independent Variable

The variable you control in an experimental study explore its effects

100

Condensation

The conversion of a vapor or gas to a liquid

100

Atom

The basic unit of a chemical element

100

Vertebrate

An animal that has a backbone and a skeleton

200

Galaxy

A huge collection of gas, dust, stars and other bodies

200

Dependent Variable

The variable that changes as a result of the independent variable

200

Evaporation

The process of turning liquid into vapor

200

Compound

A substance made up of two or more different chemical elements combined in a fixed ratio

200

Gene

The basic hereditary unit

300

Comet

A small, icy object that orbits the sun and has a long "tail" of gas

300

Scientific Method

The process of objectively establishing facts through testing and experimentation

300
Volume

The amount of space occupied by an object

300

Homogeneous

A mixture that has the same components throughout 

300

Biodiversity

The variety of life in the world or in a particular habitat or ecosystem

400

Orbit

The curved path through which objects in space move around a planet or star

400

Hypothesis

A concept or idea that you test through research and experiments

400

Water cycle

The continuous movement of water within an atmosphere

400

Solution

Homogeneous mixtures of two or more substances

400

Ecosystem

A community or group of living organisms that live in and interact with each other in a specific environment

500

Black Hole

A singularity that causes almost infinite pull, trapping light

500

Force

The push or pull on an object causing it to change its velocity

500

Atmosphere

Layers of gas that surround a body with sufficient gravity

500

Physics

The branch of science that deals with the matter in the observable universe

500

Virus

Microscopic organisms that can infect larger hosts like plants or animals