6.2 Thermal Energy Vocabulary Flashcards

Front

System

Back

A set of parts that work together (interact) toward a goal or outcome.

Front

Evaporation

Back

A process where water slowly changes from a liquid to a gas and single molecules of water leave the surface to go into the air one at a time.

Front

Model

Back

A representation we use to understand or describe phenomenon.

Front

Independent Variable

Back

A variable that is changed by the scientist.

Front

Dependent Variable

Back

A variable that is measured or observed. It is affected by the change.

Front

Open System

Back

Matter can get in and out of it through openings in the system.

Front

Closed System

Back

No matter can get in or out of the system.

Front

Condensation

Back

The process in which water in its gaseous form is changed into liquid water.

Front

Transparent

Back

A material that allows light to pass through so that objects behind can be seen.

Front

Opaque

Back

A material that does not allows light to pass through, not transparent.