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Exothermic or Endothermic Reaction?

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

______________ reactions are when heat is being released or given away.

a)

Exothermic

b)

Endothermic

c)

Isothermic

2.

______________ reactions are when heat is being absorbed or taken in.

a)

Exothermic

b)

Endothermic

c)

Isothermic

3.

This graph is for ______________.

a)

Exothermic

b)

Endothermic

c)

Polyatomic

4.

This graph is for ____________________.

a)

Exothermic

b)

Endothermic

c)

Science

5.

What is the easiest way to measure whether heat is being given off or absorbed?

a)

just stare at it

b)

a thermometer

c)

hopes and dreams

6.

Fire is an _____________ reaction.

a)

exothermic

b)

endothermic

c)

optical illusion

7.

If you touch snow and become cold, you're noticing an _______________ reaction.

a)

exothermic

b)

endothermic

c)

three weeks until summer!!!!!!

8.

When ice melts and gets warmer an _______________ reaction has to occur.

a)

exothermic

b)

endothermic

c)

I really miss sports.

9.

When water freezes and gets colder an _______________ reaction has to occur.

a)

exothermic

b)

endothermic

c)

both somehow

10.

When we break bonds and atoms get further apart we have to use an ____________________ reaction.

a)

exothermic

b)

endothermic

c)

this is the last question!!!!!!!!!!!!!!!!!!!!!