Chemical Reactions Quiz

Groups of atoms repeat to make up a...

• atoms

• substance

• repeating atom group

• extended structure

Tags

NGSS.MS-PS1-1

Substances have different__________ because they are made of different groups of atoms

Tags

NGSS.MS-PS1-1

What is the name for the starting substances in a chemical reaction?

• reactants

• products

In our phenomenon of discovering what was in the water in Westfield, what two substances reacted to form rust?

• iron pipes and water

• iron pipes and rust

• fertilizer and iron pipes

• fertilizer and water

Tags

NGSS.MS-PS1-2

What did we observes about the number of atoms for each element before and after the chemical reaction?

• It was different before and after the chemical action

• It stays the same before and after the chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the name for the final substance(s) during a chemical reaction?

• reactants

• products

Tags

NGSS.MS-PS1-5

During a chemical reaction, the number of atoms...

• do not change

• change

Tags

NGSS.MS-PS1-5

During a chemical reaction, atoms...

• are destroyed

• rearrange to form different groups of atoms

• disappear

Tags

NGSS.MS-PS1-5

What is the difference between exothermic and endothermic reactions?

• exothermic absorbs energy from the environment, while endothermic releases energy

• exothermic releases energy from the environment, while endothermic absorbs energy

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is one thing you could observe that would tell you a chemical reaction is occuring?

Tags

NGSS.MS-PS1-2