Solar System
Consists of a star and everything that orbits or travels around the star
Independent Variable
The variable you control in an experimental study explore its effects
Condensation
The conversion of a vapor or gas to a liquid
Atom
The basic unit of a chemical element
Vertebrate
An animal that has a backbone and a skeleton
Galaxy
A huge collection of gas, dust, stars and other bodies
Dependent Variable
The variable that changes as a result of the independent variable
Evaporation
The process of turning liquid into vapor
Compound
A substance made up of two or more different chemical elements combined in a fixed ratio
Gene
The basic hereditary unit
Comet
A small, icy object that orbits the sun and has a long "tail" of gas
Scientific Method
The process of objectively establishing facts through testing and experimentation
The amount of space occupied by an object
Homogeneous
A mixture that has the same components throughout
Biodiversity
The variety of life in the world or in a particular habitat or ecosystem
Orbit
The curved path through which objects in space move around a planet or star
Hypothesis
A concept or idea that you test through research and experiments
Water cycle
The continuous movement of water within an atmosphere
Solution
Homogeneous mixtures of two or more substances
Ecosystem
A community or group of living organisms that live in and interact with each other in a specific environment
Black Hole
A singularity that causes almost infinite pull, trapping light
Force
The push or pull on an object causing it to change its velocity
Atmosphere
Layers of gas that surround a body with sufficient gravity
Physics
The branch of science that deals with the matter in the observable universe
Virus
Microscopic organisms that can infect larger hosts like plants or animals