Matter

Matter is

• any solid or liquid

• any solid or gas

• any solid, liquid, but not gas

• any solid, liquid, or gas

Mass is

• the amount of protons in the nucleas

• the amount of matter in an object

• the amount of volume in a liquid

• The exact same thing as weight

You would use a jar to measure the ______ of a liquid.

• volume

• mass

• length

• weight

A solid has

• a definite size, shape, and volume

• a definite size, but not shape or volume

• a definite shape and volume, but not size

Less dense materials float on top of denser materials.

• True

• False

If you were to put three different liquids in a cylinder, the most dense liquid would be

• at the top

• in the middle

• at the bottom.

A physical change is when a new substance is formed from two different substances.

• True

• False

Which of the following may happen in a chemical reaction: (mark all that apply)

• heat may be produced

• gas may be produced

• a new substance is made

• a physical change can be seen

Most chemical reactions also involve a physical change, but they are classified as a chemical reaction because a new substance is formed.

• True

• False

Elements are the simplest substances on earth and cannot be broken down any further without changing the substance.

• True

• False