C.R. Vocab

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

• reactant

• product

• property

• catalyst

Something that is made up of all the same atoms or groups of atoms is called a _________.

• reactant

• property

• product

• substance

A ________ shows the relative size of things.

• magnifying glass

• telescope

• graph

• scale

The tiny pieces that all matter- all stuff in the world- is made of are known as _______.

• neutrons

• molecules

• elements

• atoms

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

• sytem

• model

• reaction

• product

A process in which atoms rearrange to form new substances is a chemical ________.

• model

• formula

• reaction

• number

To change the order or position of something is to ________.

• develop

• grow

• substitute

• rearrange

The __________ is an ending substance made during a chemical reaction.

• reactant

• product

• substitution

• rearrange

The _________ is a starting substance that is part of a chemical reaction.

• reactant

• product

• substitution

• side effect