Topic 2: Changes in Matter Review Part 1

Front

What is the boiling point of water?

Back

100°C

Front

Which of the following is not a physical change?

Back

Cooking bacon is a chemical change.

Front

True or False: When the stopper is removed from a beaker filled with liquid, the liquid will flow out of the beaker.

Back

False

Front

What is evaporation?

Back

Evaporation is the process where liquid turns into vapor.

Front

What is freezing?

Back

Freezing is the process where a liquid turns into a solid.

Front

What is melting?

Back

Melting is the process where a solid turns into a liquid.

Front

What law states that in any physical change or chemical change, the total mass of matter does not change?

Back

Law of conservation of matter.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

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

Front

Give an example of a physical change.

Back

Ice melting is an example of a physical change.