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Nuclear Fission and Fusion

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.
Where does fusion occur naturally?
a)
Underwater
b)
All around us
c)
In the radioactive waste
d)
On the sun
2.
Very high temperature and pressure is required for:
a)
Fission
b)
 Fusion
c)
Radioactive Decay
3.
This is an example of ---
a)
Radioactive Decay
b)
Nuclear Fission
c)
Nuclear Fusion
d)
Fossil fuel reaction
4.

In which type of reaction do two lighter nuclei combine to form one heavier nucleus?

a)

combustion

b)

oxidation

c)

nuclear fission

d)

nuclear fusion

5.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Decay
6.

U-235 is the primary fuel of

a)

Fission Reaction

b)

Fusion Reaction

c)
Radioactive Decay
7.
Why do scientists most want to learn more about fusion?
a)
To win the Nobel prize
b)
To make energy for people to use
c)
To destroy the world
d)

To protect from colonizers

8.
Takes two small nuclei and combines them into a larger nucleus
a)
fission
b)
fusion
9.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
10.
An example of an uncontrolled fission reaction is _______________
a)
Nuclear power plants
b)
Radio active decay
c)
Atomic Bomb
d)
On the surface of the sun
11.

It occurs continuously in the stars and sun.

a)

nuclear fusion

b)

nuclear fission

c)

I don't know what occurs in stars and sun

12.

In nuclear power plants, fision is used to produce________?

a)

Electricity

b)

Powers

c)

Energy

d)

Waste

13.

Over Christmas vacation, these two physicists made a startling discovery that would immediately revolutionize nuclear physics and lead to the atomic bomb. Who are they?

a)

Lise Meitner and Otto Frisch

b)

Lee Meatner and Utto Fresh

c)

Lies Meyner and Otto Man

d)

Lies Meetner and Utto Frisch

14.

Fission can be used as a controlled chain reaction in a reactor used in a nuclear plants to produce electricity.

a)

True

b)

False

c)

Maybe

d)

I dont know

15.

If Fusion - Combine; Fission - (a)   ?