Changes in Energy on the Molecular Level

Front

What is the change in state from a solid to a liquid called?

Back

Melting

Front

Which state of matter takes up ALL the space inside a container?

Back

Gas

Front

Which state of matter has tightly packed molecules?

Back

Solid

Front

What describes the movement of particles in a gas?

Back

Has fast-moving particles

Front

Which state of matter has a definite shape?

Back

Solid

Front

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

Back

Evaporation

Front

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

Back

Condensation

Front

What happens to the energy of molecules when a solid melts?

Back

The energy increases, allowing molecules to move more freely.

Front

What is the state of matter that has a definite volume but no definite shape?

Back

Liquid

Front

What happens to the molecules in a solid when it is heated?

Back

They gain energy and vibrate more, potentially leading to melting.