Chemical Reactions

The tiny pieces that all matter is made of are called...

• atoms

• adams

• molecules

• particles

The temperature at which a substance changes from the liquid phase to the gas phase is called

• evaporation point

• melting point

• gas point

• boiling point

letters and numbers that show the types and number of atoms that repeat to make up a substance is called the...

• equation

• chemical formula

• alphabet

• alphanumero name

What is the process called by which atoms rearrange to form new substances?

• chemical reaction

• chemical rearrangement

• blended chemicals

• mixed chemicals

What word means able to cause damage?

• decompose

• carotid

• corrosive

• reactant

what do we call a structure formed by repeating groups of atoms that link together in a large network?

• extended structure

• repeating structure

• lots of atoms

• mega structure

Which is a substance that is added to soil to help plants grow?

• sugar

• bugspray

• sulfur

• fertilizer

The temperature at which a substance changes from the solid phase to the liquid phase is called ____________________.

• Melting point

• boiling point

• freezing point

• hot

What do we call an object, diagram or computer program that helps us understand something by making it simpler or easier to see?

• diarama

• model

• diarama

• science project

What do we call a group of atoms joined together in a particular way?

• model

• molecule

• atomatomatom

• extended structure