Energy Changes

Energy Changes

7th Grade

12 Qs

quiz-placeholder

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Energy Changes

Energy Changes

Assessment

Quiz

Science

7th Grade

Medium

Created by

Blake Andrews

Used 47+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What word is used to describe a reaction that absorbs energy from the surroundings to feel colder?

Endothermic

Exothermic

Combustion

Displacement

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What kind of reaction is combustion (burning)?

Exothermic

Endothermic

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What kind of reaction is used in handwarmers?

Exothermic

Endothermic

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Respiration is a chemical reaction that occurs within the cells of living organisms to release energy. Which word describes respiration?

Exothermic

Endothermic

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When copper carbonate is heated, it absorbs energy and breaks down into copper oxide and carbon dioxide. What kind of reaction is this?

Endothermic

Exothermic

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Ammonium chloride and barium hydroxide are mixed together. At the start of the reaction the temperature is 20°C and this goes down to 3°C. Which statement is correct?

It is endothermic

It is exothermic

It will explode

It hasn't worked

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Small pieces of calcium metal are added to some cold water. At the end of the reaction, the temperature has gone up to 47°C. Which word describes this reaction?

Exothermic

Endothermic

Colourless

Fizzes

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