Chemical v. Physical
Absorption and releasing of heat
100

The evaporating of water is...

What is a physical change?

100

A solid to a liquid is...

What is the absorption of heat?

200

A chemical change is...(reversible/irreversible)

What is irreversible

200

A liquid to a solid is...

What is the releasing of heat

300

A physical change involves...

What is a change in state?

300

A liquid to a gas is...

What is the absorption of heat

400

A boiling of an egg is...(physical/chemical)

What is a chemical change?

400

A gas to a liquid is...

What is the releasing of heat?

500

What are the 4 indicators of a chemical change?

What are change in colour, production of gas, a smell, and a build up.

500

Gas to a solid is...

What is the releasing of heat?