Endothermic and Exothermic Reactions

Endothermic and Exothermic Reactions

7th Grade

10 Qs

quiz-placeholder

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Endothermic and Exothermic Reactions

Endothermic and Exothermic Reactions

Assessment

Quiz

Physics

7th Grade

Hard

Created by

Gil legaspi

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of an endothermic reaction?

A reaction that releases heat to its surroundings.

A reaction that absorbs heat from its surroundings.

A reaction that occurs at a constant temperature.

A reaction that does not involve any heat exchange.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Provide an example of an endothermic reaction.

Burning of wood

Neutralization of an acid with a base

Ammonium nitrate + water -> Ammonium nitrate solution

Photosynthesis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How would you define an exothermic reaction?

An exothermic reaction releases energy in the form of heat or light.

An exothermic reaction only occurs in living organisms.

An exothermic reaction has no impact on energy levels.

An exothermic reaction absorbs energy in the form of heat or light.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can you give an example of an exothermic reaction?

Melting ice

Combustion of gasoline

Boiling water

Photosynthesis in plants

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of energy changes in chemical reactions.

Energy changes in chemical reactions are a result of changes in the state of matter.

Energy changes in chemical reactions are caused by changes in the color of substances.

Energy changes in chemical reactions are solely due to temperature fluctuations.

Energy changes in chemical reactions result from the breaking and forming of chemical bonds.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do endothermic reactions require energy input?

Endothermic reactions require energy input to increase the reaction rate.

Endothermic reactions require energy input to break bonds in the reactants.

Endothermic reactions require energy input to decrease the temperature.

Endothermic reactions require energy input to form bonds in the products.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which type of reaction, endothermic or exothermic, does the temperature of the surroundings increase?

exothermic

cold

thermal

endothermic

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