Topic 2: Changes in Matter Review Part 1

Front

What happens to gas when the stopper is removed from a beaker?

Back

The gas will flow out of the beaker.

Front

What is the mass of a substance after freezing if it was 450g before freezing?

Back

The mass remains 450g after freezing.

Front

What is the change of state when a liquid turns into a solid?

Back

Freezing.

Front

Which of the following does NOT indicate a physical change? a) a shape change b) a change in the type of matter c) a temperature change d) a change in the state of matter

Back

b) a change in the type of matter.

Front

Which of the following is not a physical change? a) cooking bacon b) glass breaking c) sugar dissolving d) ice melting

Back

a) cooking bacon.

Front

What is a physical change?

Back

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

Front

What is an example of evaporation?

Back

Water turning into vapor when heated.

Front

What is melting?

Back

The process of a solid turning into a liquid.

Front

What is the definition of freezing?

Back

The process of a liquid turning into a solid.

Front

What happens to the mass of a substance during a physical change?

Back

The mass remains the same.