PS.1,2,3 and 4 review vocabulary

A possible explanation or answer to a question tested through experimentation.

• independent variable

• hypothesis

• constants

• dependent variable

Manipulated Variable” of an experiment-It is the item being tested or changed on purpose by the scientist or person conducting the experiment.

• independent variable

• dependent variable

• constants

• control

“Responding Variable” of an experiment-the result, response, or outcome the is measured.

• control

• independent variable

• dependent variable

Items that remain the same throughout the experiment. (EX. Same/equal quantities or types of substances/things)

• control

• constants

• dependent variable

• independent variable

Group or part of the experiment that does not receive the item being tested. (does not receive independent variable)

• independent variable

• dependent variable

• control

• constants

Anything that has volume and mass

• matter

• element

• compound

• mixture

All matter is composed of tiny particles called atoms

• conpound

• element

• particle theory of matter

• mixture

A pure substance that cannot be separated or broken down into simpler substances by physical or chemical means.

• element

• compound

• mixture

A pure substance composed of two or more elements that are chemically combined.

• element

• compound

• mixture

A combination of two or more substances that are not chemically combined.

• mixture

• compound

• element