5.7 Matter Test Review

Front

What is the mass of a solid candy bar that melts into a liquid?

Back

The mass remains the same; it is 18 grams because the total mass of matter remains the same during a phase change.

Front

What makes a cup of hot chocolate a solution?

Back

The cocoa powder uniformly dissolves in the water.

Front

What happens to the mass of water when it freezes into ice?

Back

The mass stays the same.

Front

What is required to change solid gold into liquid gold?

Back

Very high temperature.

Front

What is the amount of matter in an object called?

Back

Mass.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What is a phase change?

Back

A phase change is when matter changes from one state (solid, liquid, gas) to another.

Front

What happens to the volume of water when it freezes?

Back

The volume increases.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is an example of a solution?

Back

Saltwater is a solution where salt dissolves uniformly in water.