Chemical Reactions Vocab Quiz 1

The tiny pieces that all matter --- all stuff in the world --- is made of.

• Property

• Scale

• Model

• Substance

• Atoms

An object, diagram, or computer program that helps us understand something by making it simpler and easier to see.

• Property

• Scale

• Model

• Substance

• Atoms

Something that can be observed about a substance, such as color, smell, or boiling point.

• Property

• Scale

• Model

• Substance

• Atoms

The relative size of things

• Property

• Scale

• Model

• Substance

• Atoms

Something that is made of all the same atoms or groups of atoms.

• Property

• Scale

• Model

• Substance

• Atoms