Chemical Reactions

What is the chemical symbol for carbon?

• C

• Ca

• Cn

• Crn

What is a reactant?

• The starting substance
• The ending substance

What is a product?

• The starting substance
• The ending substance

Tags

NGSS.MS-PS1-5

Using the following chemical reaction
Hydrogen + Oxygen --> water
Identify the reactant(s).

• Hydrogen and Oxygen
• water

Tags

NGSS.MS-PS1-2

Using the following chemical reaction
Hydrogen + Oxygen --> water
Identify the product(s).

• Hydrogen and oxygen
• water

Tags

NGSS.MS-PS1-1

What is a precipitate?

• a change in color 
• a change in temperature
• a solid formed
• a gas formed

Tags

NGSS.MS-PS1-2

Which of the following are NOT signs that a chemical reaction occured?

• the properties changed
• bubbles of gas formed
• color stays the same
• smells different

Tags

NGSS.MS-PS1-2

Which of the following is a chemical reaction?

• Burning bread in the toaster.
• melting wax in a microwave.
• dissolving salt in water
• boiling water to make steam.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT a chemical reaction?

• burning a marshmallow in a campfire.
• a campfire
• acid rain turning a copper roof green.
• Dissolving red Koolaid in water.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A substance that is formed as the result of a chemical reaction is a __________________

• Product

• Reactant

• Starters

• Enders

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5