Chemical Reactions Vocab Part 1

the tiny pieces that all matter, all the stuff in the world, is made of

• Legos

• atoms

• nutrients

• scales

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

• model

• atom

• molecule

• substance

a group of atoms joined together in a particular way

• atom

• Adam

• molecule

• Moe

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

• property

• trait

• scale

• observation

the relative size of things

• Legos

• tiny

• scale

• substance

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

• scale

• substance

• ion

• molecule

What is a reactant?

• a starting substance that is part of a chemical

  reaction

• change the order, change position

• something that is made up of all the same atoms

What is a product?

• tiny pieces that all matter is made of

• a process in which atoms REARRANGE

  to form NEW substances

• the ending substance that is part of a chemical reaction