Changes in States of Matter

Front

What is the process called when thermal energy is increased in a liquid, causing it to change to a gas?

Back

Evaporation

Front

What is the term for the change of state from solid to liquid?

Back

Melting

Front

What happens to a liquid when thermal energy is decreased?

Back

It freezes.

Front

What is the change of state from liquid to gas called?

Back

Evaporation

Front

What is the process called when thermal energy is decreased in a gas, causing it to change to a liquid?

Back

Condensation

Front

What is the term for the change of state from gas to liquid?

Back

Condensation

Front

What is the change of state from liquid to solid called?

Back

Freezing

Front

What happens to the particles of a substance during melting?

Back

The particles gain energy and move apart.

Front

What is the effect of increasing thermal energy on the state of matter?

Back

It can cause a substance to change from solid to liquid (melting) or from liquid to gas (evaporation).

Front

What is the effect of decreasing thermal energy on the state of matter?

Back

It can cause a substance to change from gas to liquid (condensation) or from liquid to solid (freezing).