Matter and Chemical Reactions

Front

What is matter?

Back

Anything that has mass and volume.

Front

How many states of matter are commonly found on Earth?

Back

Three.

Front

What are the visual clues that indicate a chemical reaction?

Back

A change of color, a gas produced, a solid product, and a transfer of energy.

Front

What is a chemical reaction?

Back

A process in which substances change into different substances.

Front

What are atoms?

Back

The building blocks of matter.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

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

Back

A physical change does not alter the chemical composition, while a chemical change results in new substances.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.