Chemical Reactions

Tiny pieces of matter that everything is made of

• model

• atoms

• substances

A group of atoms joined together in a particular way

• product

• molecule

• fertilizer

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

• substance

• atoms

• scale

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

• molecule

• property

• model

In a chemical equation the products are on the right side of the arrow. Are the products the beginning substances or the ending substances?

• beginning

• ending

In a chemical equation the reactants are on the left side of the arrow. Are the reactants the beginning substances or the ending substances?

• beginning

• ending

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

• property

• reactant

• molecule

During a chemical reaction, atoms can

• be destroyed to form a new substance

• be created to form a new substance

• be rearranged to form a new substance

A process in which atoms rearrange to form new substances.

• extended structure

• boiling point

• chemical reaction

Burning paper is an example of a

• boiling point

• chemical reaction

• extended structure