States of Matter and Phase Changes

Front

Molecules are far apart and are in constant motion.

Back

Gas

Front

Molecules change position easily and slide past one another. Options: Solid, Liquid, Gas

Back

Liquid

Front

Molecules move, but they only vibrate in place. Options: Solid, Liquid, Gas

Back

Solid

Front

At higher temperatures, what happens to particles in an object?

Back

particles in an object move faster

Front

Phase changes are

Back

a physical change

Front

When kinetic energy is lost, this state condenses into a liquid and the molecules slow down.

Back

Gas

Front

When kinetic energy is lost, this state freezes into a solid and the molecules slow down.

Back

Liquid

Front

What is it called when a solid turns directly into a gas?

Back

Sublimation

Front

Deposition is the opposite of sublimation.

Back

True

Front

All phase changes (changing states) require energy to be gained or lost.

Back

True