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Total questions: 129

Worksheet time: 6hrs 51mins

Name
Class
Date
1.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
decay
d)
gamma radiation
2.
This happens naturally due to an unstable nucleus.
a)
fission
b)
fusion
c)
radioactive decay
d)
K-capture
3.

This is an example of...

a)

Chain reaction

b)

Fusion reaction

c)

Decomposition reaction

d)

Decay

4.
What is a chain reaction?
a)
When electrons travel are emitted causing electricity
b)
When a nuclear fission reaction occurs, the protons emitted can strike other nuclei in the sample, and cause them to split
c)
When a nuclear fission reaction occurs, the neutrons emitted can strike other nuclei in the sample, and cause them to split
d)
When a nuclear fission reaction occurs, the electrons emitted can strike other nuclei in the sample, and cause them to split
5.
Where does fusion occur naturally?
a)
Underwater
b)
All around us
c)
In the radioactive waste
d)
On the sun
6.
The major drawback to nuclear fission reactors is the difficulty of achieving safe disposal of radioactive waste products.
a)
true
b)
false
7.
Very high temperature and pressure is required for:
a)
Fission
b)
 Fusion
c)
Radioactive Decay
8.
Which of the following is true about nuclear fusion?
a)
It is easy to implement.
b)
It produces less energy than nuclear fission.
c)
It produces more energy than nuclear fission.
d)
It has the ability to occur easily in everyday life.
9.
Takes two small nuclei and combines them into a larger nucleus
a)
fission
b)
fusion
10.
In nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy?
a)
Absorb energy
b)
Maintain energy
c)
Release energy
11.

What would be the advantage(s) of using nuclear fusion to produce energy?

a)

no radioactive waste and more energy produced

b)

safer

c)

requires less regulation

d)

more controlled energy produced, less radioactive waste produced

12.
This is an example of ---
a)
Radioactive Decay
b)
Nuclear Fission
c)
Nuclear Fusion
d)
Fossil fuel reaction
13.

Hydrogen bombs are created from which process?

a)

Fusion

b)

Fission

14.

Which process, fusion or fission, is considered a natural process?

a)

Fission

b)

Fusion

15.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
16.
Takes two small nuclei and combines them into a larger nucleus
a)
fission
b)
fusion
17.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Decay
18.
Where does fusion occur naturally?
a)
Underwater
b)
All around us
c)
In the radioactive waste
d)
On the sun
19.
Which atoms combine together during fusion reaction on the sun?
a)
Helium and Hydrogen atoms
b)
Hydrogen atoms
c)
Hydrogen and Lithium atoms
d)
Hydrogen and Carbon atoms
20.
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
21.
Do all stars make energy through fusion?
a)
Yes
b)
No
c)
Just our sun
d)
Only large stars
22.
What is a benefit of nuclear fission?
a)
The ability to absorb energy
b)
The ability to release tremendous amounts of energy
c)
The ability to produce more energy than nuclear fusion
d)
There are no beneficial aspects of nuclear fission
23.
The major drawback to nuclear fission reactors is the difficulty of achieving safe disposal of radioactive waste products.
a)
true
b)
false
24.
One disadvantage of nuclear energy is ___.
a)
it is a fossil fuel
b)
it leaves behind radioactive waste
c)
it emits large amounts of pollution into the atmosphere
d)
there are no disadvantages
25.

Daughter atom

a)

the original, unstable radioactive element

b)

stable atom that results from the decay of a radioactive atom

c)

The time it takes for one half of the radioactive atoms in a sample to decay

26.

parent atom

a)

the original, unstable radioactive element

b)

the time it takes for one half of the radioactive atoms in a sample to decay

c)

a subatomic particle that has no charge and is located in the nucleus

27.

What is decay?

a)

a subatomic particle that has no charge located in the nucleus of an atom

b)

a stable atom that results from a radioactive atom

c)

a process in which a radioactive atom releases particles and energy

28.

What is a Geiger counter?

a)

an instrument that uses sonar to bounce sound waves off the ocean bottom

b)

an instrument that measures vibrations in the ground

c)

an instrument that detects the particles emitted or given off by decaying atoms

29.

What is an isotope?

a)

one of several forms of the same atoms; same number of protons but have different number of neutrons

b)

a particle that has no charge and is located in the nucleus of an atom.

c)

energy in the form of waves or particles that is emitted from an object and travels through space or air

30.

What is the Law of Superposition used for?

a)

to tell the absolute age of a rock or fossil

b)

to tell the relative age of a rock or fossil based on where it is in the strata

c)

to tell that all rocks and minerals are super

31.

What is radiometric dating used for ?

a)

to tell absolute age of a rock or fossil

b)

to tell the relative age of a rock or fossil

c)

a way to tell the age of materials based on measuring radioactive atoms and daughter atoms

32.

What is a half-life?

a)

the time required for one half of the radioactive atoms in a sample to decay

b)

the time required for one third of the radioactive atoms in a sample to decay

33.

When the radioactive atoms in a sample decay by half...

a)

alpha decay

b)

Beta decay

c)

half-life

34.

What is the energy that are waves or particles that are given off from an object?

a)

radiation

b)

decay

c)

radiometric dating

d)

isotope

35.

This man was poisoned by

a)

half-life

b)

radiation

c)

daughter atoms

d)

Geiger Counter

36.

Marie Curie discovered

a)

Thorium

b)

Polonium

c)

uranium

37.

How can radiation hurt us?

a)

by exposing us to X-rays

b)

Can make us spend money

c)

destroys our cells and DNA

38.

Radiation can help us by

a)

treating cancerous masses in our body

b)

X-ray

c)

changing out cellular DNA

d)

helping us learn and pass our Scantron and LEAP

39.

Uranium238 take _________________for one half-life.

a)

5730 years

b)

20 billion

c)

1.65 million

d)

4.5 billion

40.

If one has 12 kg of Polonium and it undergoes two half-lives, how much do you have left?

a)

12 kg

b)

3 kg

c)

6 kg

41.

After every half-life, a radioactive atom is

a)

reduced by 50%

b)

decreased by 1/4

c)

increased by 1/2

42.

The positive charge inside an atom

a)

neutron

b)

electron

c)

proton

43.

Does the rate of radioactive decay stay at a constant rate?

a)

no

b)

yes

44.

When is the rate of radioactive decay the fastest?

a)

end

b)

beginning

c)

middle

45.
If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.
a)
1.25mg
b)
1.25g
c)
10g
d)
10mg
46.
After the third half-life, how much of the sample is left?
a)
1/2
b)
1/3
c)
1/16
d)
1/8
47.
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
a)
1 half-life
b)
2 half-lives
c)
3 half-lives
d)
4 half-lives
48.
What is the half-life of iodine-131?
a)
32 days
b)
8 days
c)
16 days
d)
24 days
49.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
50.
The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?
a)
100.0g
b)
50.0g
c)
12.5g
d)
8.5g
51.
 Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half-lives. How much time will elapse for this sample to be considered gone?
a)
0.334 seconds
b)
3.34 seconds
c)
1.77 seconds
d)
13.4 seconds
52.
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
a)
0.25g
b)
2.5g
c)
25g
d)
80g
53.
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
a)
1 half-life
b)
2 half-lives
c)
3 half-lives
d)
4 half-lives
54.

Earth elements decay and change into another element in a process called_____________.

a)

radiation

b)

isotope

c)

radioactive decay

d)

half-life

55.

Geologist use the time it takes for a radioactive isotope to decay to half its original mass called a___________.

a)

radioactive decay

b)

isotope

c)

half-life

d)

carbon dating

56.

The moon was made from a piece of _________ .

a)

Moon

b)

Earth

c)

radioactive rocks

d)

rock

57.

Who's the better football team?!

a)

Kentucky Wildcats

b)

Georgia Bulldogs

c)

Notre Dame Fighting Irish

d)

Austin Peay Governors

e)

Georgia Tech Yellow Jackets

58.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
59.
The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?
a)
100.0g
b)
50.0g
c)
12.5g
d)
8.5g
60.
 Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half-lives. How much time will elapse for this sample to be considered gone?
a)
0.334 seconds
b)
3.34 seconds
c)
1.77 seconds
d)
13.4 seconds
61.
After the third half-life, how much of the sample is left?
a)
1/2
b)
1/3
c)
1/16
d)
1/8
62.
The half life of iodine-131 is 8.040 days. What percentage of an iodine-131 sample will remain after 40.20 days?
a)
312.5%
b)
31.25%
c)
.3125%
d)
3.125%
63.
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
a)
0.25g
b)
2.5g
c)
25g
d)
80g
64.
If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.
a)
1.25mg
b)
1.25g
c)
10g
d)
10mg
65.
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
a)
3.0g
b)
0.25mg
c)
0.3g
d)
0.25g
66.
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
a)
1 half-life
b)
2 half-lives
c)
3 half-lives
d)
4 half-lives
67.
What is the half-life of iodine-131?
a)
32 days
b)
8 days
c)
16 days
d)
24 days
68.

What is the Half life of this isotope?

a)

5 seconds

b)

10 seconds

c)

15 seconds

d)

20 seconds

69.

What is the Half Life of this isotope?

a)

3 days

b)

5 days

c)

8 days

d)

10 days

70.

Which diagram best represents the percentage of this radioactive isotope sample that will remain after 2 half-lives?

a)
b)
c)
d)
71.
You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years. 
How many grams are left after 1 half life? 
a)
100 grams
b)
25 grams
c)
2 grams
d)
50 grams
72.

After 22,800 years, approximately what percentage of the original carbon-14 remains?

a)

15%

b)

12.5%

c)

6.25%

d)

3.125%

73.
If one-fourth of the carbon-14 is remaining then how many half-lives have passed?
a)
1
b)
2
c)
3
d)
4
74.
When nuclei decay, massive amounts of __________ is released.
a)
energy
b)
jello
c)
protons
d)
neutrons
75.
A radioisotope of silver has half life of 10 minutes. What fraction of the original mass would remain after one hour?
a)
1/64
b)
1/2
c)
1/4
d)
1/8
76.
Selenium-83 has a half life of 25 minutes. How many minutes would it take for a 20 milligram sample to decay and only have 1.25 milligrams of it remaining? 
a)
25 minutes
b)
50 minutes
c)
75 minutes 
d)
100 minutes
77.

Geologist use the time it takes for a radioactive isotope to decay to half its original mass called a___________.

a)

radioactive decay

b)

isotope

c)

half-life

d)

carbon dating

78.
Takes two small nuclei and combines them into a larger nucleus
a)
fission
b)
fusion
79.
Takes two small nuclei and combines them into a larger nucleus
a)
fission
b)
fusion
80.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
81.
How do nuclear power-plants work?
a)
Fusion
b)
Half-life
c)
Fission
d)
Fusion or fission
82.
Where does fusion occur naturally?
a)
Underwater
b)
All around us
c)
In the radioactive waste
d)
On the sun
83.
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
84.
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 know more about stars
85.
_________ happens naturally due to an unstable nucleus.
a)
fission
b)
fusion
c)
radioactive decay
d)
K-capture
86.
The major drawback to nuclear fission reactors is the difficulty of achieving safe disposal of radioactive waste products.
a)
true
b)
false
87.
Requires temperatures of millions of degrees?
a)
Fission
b)
Fusion
88.
Which of the following is true about nuclear fusion?
a)
It is easy to implement.
b)
It produces less energy than nuclear fission.
c)
It produces more energy than nuclear fission.
d)
It has the ability to occur easily in everyday life.
89.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
decay
d)
gamma radiation
90.

Can be stopped by aluminum foil; has no mass and negative charge.

a)

beta particle

b)

alpha partcle

c)

gamma ray

d)

half-life

91.

Powerful radiation that can cause biological damage.

a)

beta particle

b)

alpha particle

c)

gamma ray

d)

carbon dating

92.

Using the decay of an isotope to find the age of a once-living object [fossil].

a)

carbon dating

b)

alpha particle

c)

gamma ray

d)

half-life

93.

A helium nucleus; low energy.

a)

gamma ray

b)

carbon dating

c)

half-life

d)

alpha particle

94.

Time necessary for 50% of a radioactive sample to decay.

a)

carbon dating

b)

half-life

c)

alpha particle

d)

gamma ray

95.

Who was the first woman to win a Nobel Prize for her work with radioactivity?

a)

Lise Meitner

b)

Marie Curie

c)

Jane Goodall

d)

Judy Blume

96.

The type of radioactive particle that can be stopped by a sheet of paper is the ____.

a)

alpha particle

b)

uranium

c)

beta particle

d)

gamma ray

97.

The most penetrating type of radiation is the _______.

a)

beta particle

b)

gamma ray

c)

uranium

d)

alpha particle

98.

One type of radioactive device that indicates the intensity of radiation with a clicking sound that increases in frequency as more radiation is present is a(n) ____.

a)

bubble chamber

b)

cloud chamber

c)

electroscope

d)

Geiger counter

99.

Which subatomic particle seems to have a stabilizing effect on an isotope?

a)

protons

b)

neutrons

c)

electrons

d)

quarks

100.

Which type of reaction does the diagram illustrate?

a)

Fission

b)

Fusion

c)

Alpha Decay

d)

Beta Decay

101.

In which process does a heavy nucleus split into two lighter nuclei?

a)

freezing

b)

condensation

c)

fission

d)

fusion

102.

What occurs in both fusion and fission reactions?

a)

Small amounts of energy are converted into large amounts of matter.

b)

Small amounts of matter are converted into large amounts of energy.

c)

Heavy nuclei are split into lighter nuclei.

d)

Light nuclei are combined into heavier nuclei.

103.

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

104.

This is an example of...

a)

Chain reaction

b)

Fusion reaction

c)

Decomposition reaction

d)

Decay

105.
Where does fusion occur naturally?
a)
Underwater
b)
All around us
c)
In the radioactive waste
d)
On the sun
106.
Very high temperature and pressure is required for:
a)
Fission
b)
 Fusion
c)
Radioactive Decay
107.
In nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy?
a)
Absorb energy
b)
Maintain energy
c)
Release energy
108.

Which process, fusion or fission, is considered a natural process?

a)

Fission

b)

Fusion

109.
How do nuclear power-plants work?
a)
Fusion
b)
Half-life
c)
Fission
d)
Fusion or fission
110.
What is true about nuclear fusion? 
a)
The mass of the product is less than that of the original nucleus
b)
The mass of the product is 100 times less than that of the original nucleus
c)
The mass of the product is the same as that of the original nucleus
d)
The mass of the product is greater than that of the original nucleus
111.
Which of the following is true about nuclear fusion?
a)
It is easy to implement.
b)
It produces less energy than nuclear fission.
c)
It produces more energy than nuclear fission.
d)
It has the ability to occur easily in everyday life.
112.

Two nuclei with low masses are combined to form one nucleus of larger mass is called what?

a)

Nuclear fission

b)

Nuclear fusion

c)

Nuclear half-life

d)

Half-life

113.
What is a beneficial aspect of nuclear fission?
a)
The ability to absorb energy
b)
The ability to release tremendous amounts of energy
c)
The ability to produce more energy than nuclear fusion
d)
There are no beneficial aspects of nuclear fission
114.
What is a chain reaction?
a)
When electrons travel are emitted causing electricity
b)
When a nuclear fission reaction occurs, the protons emitted can strike other nuclei in the sample, and cause them to split
c)
When a nuclear fission reaction occurs, the neutrons emitted can strike other nuclei in the sample, and cause them to split
d)
When a nuclear fission reaction occurs, the electrons emitted can strike other nuclei in the sample, and cause them to split
115.
Which of the following is true about nuclear fission?
a)
The mass of the product is greater than the mass of the original nucleus
b)
The mass of the product is less than that of the original nucleus
c)
The mass of the product is the same as the mass of the original nucleus
d)
The mass of the product is 100 times greater than the original nucleus
116.
The product of nuclear fission includes
a)
neutrons and electrons
b)
several nuclei and neutrons
c)
several nuclei and electrons
d)
several nuclei and protons
117.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
118.
Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 
a)
alpha
b)
beta
c)
gamma
d)
none
119.
Alpha particles have a _____ charge.
a)
+2
b)
0
c)
+4
d)
-1
120.
The beta particle has a charge of ...........
a)
+1
b)
-1
c)
0
d)
+2
121.
Which type of radioactive decay is occurring in this equation? 
a)
Alpha decay
b)
beta decay
c)
gamma decay
d)
positron emission
122.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Decay
123.
Where does fusion occur naturally?
a)
Underwater
b)
All around us
c)
In the radioactive waste
d)
On the sun
124.
In order of most to least penetrating radiation we have
a)
Alpha , Beta,  Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
125.

Which of the below are isotopes?

a)
b)
c)
d)
126.

Which type of reaction does the diagram illustrate?

a)

Fission

b)

Fusion

c)

Alpha Decay

d)

Beta Decay

127.

For the balanced equation, which particle is represented by X?

a)

0-1 e

b)

11 H

c)

42 H

d)

10 n

128.

Which reaction represents fusion?

a)
b)
c)
d)
129.

Which reaction represents fission?

a)
b)
c)
d)