GMS Phase Changes & States of Matter

Front

What happens to energy when a substance changes from liquid to gas?

Back

The energy has to INCREASE.

Front

What state of matter is typically found in a beaker labeled 'C' if it appears solid?

Back

Solid.

Front

What must happen for matter to melt?

Back

Heat energy must be absorbed.

Front

What is the phase change from liquid to gas called?

Back

Vaporization.

Front

What is an example of evaporation?

Back

Water boiling.

Front

What is the process called when a gas turns into a liquid?

Back

Condensation.

Front

What is the process called when a solid turns directly into a gas?

Back

Sublimation.

Front

What is the state of matter characterized by a definite shape and volume?

Back

Solid.

Front

What is the state of matter that has a definite volume but takes the shape of its container?

Back

Liquid.

Front

What is the state of matter that has neither a definite shape nor a definite volume?

Back

Gas.