Unit #3 Flashcard #1

Front

What is matter?

Back

Anything that occupies space and possesses mass.

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its chemical composition.

Front

What is mass?

Back

A measure of the amount of matter in an object.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

Which state of matter has a definite shape and volume?

Back

Solid.

Front

Which state of matter has a definite volume but no definite shape?

Back

Liquid.

Front

Which state of matter has molecules that move fastest and spread to fill the space they are in?

Back

Gas.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the chemical composition of a substance, while a chemical change does.

Front

What is an example of a physical property?

Back

State of matter.