Physical or Chemical Change/Phases

Front

What phase of matter has the most kinetic energy?

Back

Gas

Front

What type of change occurs when boiling water?

Back

Physical change

Front

What is the freezing point of water?

Back

0°C

Front

What happens at the melting point?

Back

Solid to liquid

Front

What phase makes up the majority of the universe?

Back

Plasma

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What happens to molecules in a solid phase?

Back

They vibrate in place but do not move freely.

Front

What happens to molecules in a liquid phase?

Back

They are close together but can move past one another.

Front

What happens to molecules in a gas phase?

Back

They are far apart and move freely and rapidly.