Endothermic and Exothermic Chemical Reactions and Rate of Reactions

Endothermic and Exothermic Chemical Reactions and Rate of Reactions

8th Grade

15 Qs

quiz-placeholder

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Endothermic and Exothermic Chemical Reactions and Rate of Reactions

Endothermic and Exothermic Chemical Reactions and Rate of Reactions

Assessment

Quiz

Science

8th Grade

Hard

NGSS
HS-PS1-4, HS-PS1-5, MS-PS1-4

+2

Standards-aligned

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an exothermic reaction, where is thermal energy located in the chemical equation?

On the reactants' side

On the products' side

In the middle of the equation

It does not appear in the equation

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What happens to energy during an endothermic reaction?

It is released to the surroundings

It is absorbed from the surroundings

It is conserved within the products

It remains unchanged

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a cold pack, what happens to energy during the chemical reaction?

It is released to the surroundings

It is absorbed from the surroundings

It is created by the reaction

It is destroyed by the reaction

Tags

NGSS.HS-PS1-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an exothermic reaction, why is thermal energy released?

The reactants have higher energy than the products

The products require more energy to form

Energy is stored in the reactants only

The reaction occurs at a very high temperature

Tags

NGSS.HS-PS1-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Temperature changes are noticeable in some reactions but not others because:

Some reactions are exothermic or endothermic.

All reactions release the same amount of energy.

Temperature is not a factor in chemical reactions.

Reactions occur at the same rate.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement about chemical reactions and temperature is correct?

Only exothermic reactions affect temperature

The type and amount of energy involved varies by reaction

Endothermic reactions do not release any energy

Chemical reactions do not change temperature.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

NGSS.HS-PS3-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What factor increases the reaction rate by causing more frequent collisions between particles?

Decreased concentration

Increased concentration

Lower pressure

Smaller surface area

Tags

NGSS.HS-PS1-5

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