Physical Science Unit 10 - Chemical Reactions (Practice)

Physical Science Unit 10 - Chemical Reactions (Practice)

8th - 10th Grade

30 Qs

quiz-placeholder

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Physical Science Unit 10 - Chemical Reactions (Practice)

Physical Science Unit 10 - Chemical Reactions (Practice)

Assessment

Quiz

Chemistry

8th - 10th Grade

Medium

NGSS
HS-PS1-4, HS-PS1-7, HS-PS1-5

+6

Standards-aligned

Created by

Michael Clifford

Used 93+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The energy required to start a chemical reaction is _____________________.

Activation Energy

Products

Reactants

Enzymes

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

_______________ can speed up the rate of reactions and/or lower the amount of energy needed for the reaction to take place.

Carbohydrates

Fuel source

Chemical

Catalyst

Tags

NGSS.HS-PS1-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Enzymes (biological catalysts) work by lowering the _______________ of chemical reactions.

products

solutes

activation energy

reactants

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical reactions that release energy are known as ________________________.

Endothermic
Exothermic
Boring
Reactions

Tags

NGSS.HS-PS1-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical reactions that absorb energy are known as ________________________.

Endothermic
Exothermic
Boring
Explosive

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a chemical equation, the substances on the right side of the arrow are called...

reactants

products

catalysts

inhibitors

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The substances on the left side of the arrow are...

products
reactants
inhibitors
catalysts

Tags

NGSS.HS-PS1-7

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