Chemical Reactions

What is a reactant?

• The starting substance in a chemical reaction

• Fuel

• The ending substance in a chemical reaction

• The basic particle of the chemical elements.

Tags

NGSS.MS-PS1-1

How does a chemical reaction form new substances?

• Atoms disappear to form new substances.

• Atoms appear to form new substances.

• Atoms rearrange to form new substances.

• Atoms are created to form new substances

Tags

NGSS.MS-PS1-5

What is a product?

• The starting substance in a chemical reaction

• Fuel

• The ending substance in a chemical reaction

• The basic particle of the chemical elements.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What type of reaction involves the breaking down of a substance into simpler substances?

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

• Decomposition Reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of an atom?

• Fe (Iron)

• NaNO3 (Sodium Nitrate)

• H20 (Water)

• CaCO3 (Calcium Carbonate)

Tags

NGSS.MS-PS1-1

Define the term "substance."

• Something that can be observed about a substance

• Something that is made of all the same atoms or group of atoms

• The ending substance in a chemical reaction

• A process in which atoms rearrange

T/F: Atoms change their identity during a chemical reaction.

• True

• False

Tags

NGSS.MS-PS1-5

Which, according to Amplify, would we consider a molecule?

• O2

• H2O

• CaCO3

• NaNO3

Tags

NGSS.MS-PS1-1

Which of the following, according to Amplify, would be considered a compound?

• H2

• N2

• CaCO3

• O2

Tags

NGSS.MS-PS1-1

From where did the rust come in our fictitious town example for this unit?

• The pipes were rusty when the water flowed through them

• The fertilizer (NaNO3) bonded to water and made rust

• The iron (Fe) from the pipes and fertilizer (NaNO3) from the fields reacted to make rust in the water

• Someone poured rust into the water well

Tags

NGSS.MS-PS1-2