Changes in Energy on the Molecular Level

Front

What is a state of matter with a definite volume but no definite shape?

Back

Liquid

Front

What is the total kinetic (motion) energy of tiny particles that make up matter?

Back

Thermal Energy

Front

How do molecules behave when heat is added?

Back

They vibrate faster.

Front

What is the smallest particle of an element made of electrons, protons, and neutrons?

Back

Atom

Front

What happens when a substance changes from a gas into a liquid?

Back

Heat has been removed.

Front

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

Back

Melting

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 as temperature increases?

Back

The energy increases, causing molecules to move faster.

Front

What is the term for the energy stored in the bonds of molecules?

Back

Chemical Energy