wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Exothermic and Endothermic Energy Diagram

Total questions: 33

Worksheet time: 44mins

Name
Class
Date
1.

What type of reaction is this?

a)

Exothermic

b)

Endothermic

2.

The graph above is from which type of reaction?

a)

Endothermic reaction

b)

Exothermic Reaction

3.

The graph above is from which type of reaction?

a)

Endothermic reaction

b)

Exothermic reaction

4.

What type of reaction is shown in this energy profile diagram

a)

Exothermic

b)

Endothermic

5.

What type of reaction is shown in the energy profile diagram attached?

a)

Exothermic

b)

Endothermic

6.

What does 'A' represent on the energy profile diagram attached?

a)

Products

b)

Energy lost

c)

Activation Energy

d)

Overall change in energy

7.

What does 'X' represent in the energy profile shown here?

a)

Energy

b)

Products

c)

Reactants

d)

Reaction progess (time)

8.

What does 'Z' represent in the energy profile shown here?

a)

Reactants

b)

Energy

c)

Activation energy

d)

Products

9.

What does 'W' represent in the energy profile diagram shown?

a)

Energy

b)

Reactants

c)

Products

d)

Activation energy

10.

What does 'Q' represent in the energy profile shown here?

a)

Energy

b)

Reaction rate (time)

c)

Reactants

d)

Activation energy

11.

This graph is ...

a)

Exothermic

b)

Endothermic

12.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Endothermic

b)

Exothermic

13.

Look at the picture, is this an exothermic or endothermic reaction?

a)

exothermic

b)

endothermic

14.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Endothermic

b)

Exothermic

15.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Exothermic

b)

Endothermic

16.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Exothermic

b)

Endothermic

17.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Endothermic

b)

Exothermic

18.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Exothermic

b)

Endothermic

19.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Exothermic

b)

Endothermic

20.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Endothermic

b)

Exothermic

21.

Look at the picture, is "A" an exothermic or endothermic reaction?

a)

Exothermic

b)

Endothermic

22.

Look at the picture, is "B" an exothermic or endothermic reaction?

a)

Exothermic

b)

Endothermic

23.

Look at the picture, is this an exothermic or endothermic reaction?

a)

Endothermic

b)

Exothermic

24.

Which best describes this graph?

a)

Endothermic because energy is absorbed

b)

Endothermic because energy is released

c)

Exothermic because energy is released

d)

Exothermic because energy is absorbed

25.

Which best described this graph

a)

Exothermic - energy absorbed

b)

Exothermic - energy released

c)

Endothermic - energy released

d)

Endothermic - energy absorbed

26.

This graph shows what type of reaction?

a)

Endothermic

b)

Exothermic

27.

the graph shows what type of reaction?

a)

Endothermic

b)

Exothermic

28.

Look at the picture, how much energy is in the reactants?

(a)  

29.

Look at the picture, how much energy is in the products?

(a)  

30.

Look at the picture, how much energy is the 'activation energy'?

(a)  

31.

Which reaction would feel hot to the touch?

a)

B

b)

A

32.

Which reaction has the largest activation energy?

a)

B

b)

A

33.

Activation energy is ...

a)

A

b)

B

c)

C

d)

D