Matter must have:

• Density and buoyancy

• Mass and volume

• Color and shape

• Temperature and pressure

Air is matter.

• Depends on the context

• Sometimes

• False

• True

The building blocks of matter are:

• Atoms

• Mixtures

• Molecules

• Compounds

Elements are made of more than one type of atom

• True

• Sometimes

• False

• Depends on the element

One type of physical property is:

• Acidity

• Density

• Reactivity

• Flammability

The second type of physical property is

• Radioactivity

• Corrosiveness

• Toxicity

• Boiling point

Color is an example of:

• Physical property

• Chemical property

• Both

• Neither

Weight is an example of

• Physical property

• Chemical property

• Both

• Neither

Melting point is an example of

• Both

• Neither

• Chemical property

• Physical property

A property that is based on the characteristics of a chemical reaction:

• Neither

• Both

• Physical property

• Chemical property