Properties of Matter Review

Front

What happens to the magnetic properties of a magnet when it is broken into smaller pieces?

Back

All individual pieces remain magnetic.

Front

How does temperature affect the speed of a chemical change?

Back

Hot temperatures increase the speed of a chemical change.

Front

What type of change occurs when a powder is completely dissolved in water?

Back

This is an example of a physical change.

Front

Does the amount of a substance affect its boiling point?

Back

No, the amount of a substance does not affect its boiling point.

Front

What is the difference between observation and inference?

Back

Observation is a direct statement about what is seen, while inference is a conclusion drawn from observations.

Front

Define matter.

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

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 occurs when a substance transforms into a different substance with different properties.

Front

What is the boiling point?

Back

The boiling point is the temperature at which a liquid turns into vapor.