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~Fission~ and ~Fusion~

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

Which of the following nuclear reactions involves a large nucleus splitting apart?

a)

Fission

b)

Fusion

2.

Which of the following nuclear reactions involves small nuclei combining together?

a)

Fission

b)

Fusion

3.

Which of the following occurs when a free neutron is added to a large nucleus?

a)

Fission

b)

Fusion

4.

Which of the following occurs under extreme temperatures and pressures?

a)

Fission

b)

Fusion

5.

Which of the following occurs at the core of the Sun, providing heat and light energy for all life on Earth?

a)

Fission

b)

Fusion

6.

Which of the following results in the release of free neutrons?

a)

Fission

b)

Fusion

7.

Which of the following results in the release of free protons (protiums)?

a)

Fission

b)

Fusion

8.

What type of energy is released from a fusion reaction?

a)

UV light

b)

Microwaves

c)

Gamma rays

9.

Matter and energy are conserved in all nuclear reactions.

a)

True

b)

False

10.

Nuclear reaction used to produce the first atomic bombs.

a)

Fission

b)

Fusion

11.

Nuclear reaction whose energy released can not be controlled by humans on Earth.

a)

Fission

b)

Fusion

12.
a)

Fission

b)

Fusion

13.

What is the final product of a fusion reaction?

a)

Deuterium

b)

Tritium

c)

Helium-3

d)

Helium-4

14.

What is the starting reactants of a fusion reaction?

a)

Protiums

b)

Deuteriums

c)

Helium-3

d)

Helium-4

15.

How many protiums are needed to complete one entire fusion reaction?

a)

1

b)

3

c)

4

d)

6

16.

How many helium-3 isotopes fuse to make the final helium-4 product?

a)

2

b)

3

c)

4

d)

5

17.
a)

Fission

b)

Fusion

18.

How many free neutrons were released from this nuclear reaction?

a)

1

b)

2

c)

3

d)

4

19.

The U-236 underwent fission because there were too many protons in its nucleus.

a)

True

b)

False

20.

The free neutrons released contribute to the overall atomic number of the U-236 parent isotope.

a)

True

b)

False

21.

The atomic number determines the identity of each element.

a)

True

b)

False

22.

The mass number of an element can be determined by looking at the periodic table.

a)

True

b)

False