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WorksheetsNuclear Changes
Total questions: 19
Worksheet time: 38mins
Name
Class
Date
1.
The process of combining two hydrogen nuclei into a helium atom with the release of tremendous quantities of energy is called ___.
a)
nuclear fusion
b)
combustion
c)
radioactivity
d)
nuclear fission
2.
The process of joining two atoms' nuclei and releasing an enormous amount of energy is called ___.
a)
nuclear fusion
b)
nuclear fission
c)
nuclear isotope
d)
nuclear meltdown
3.
Which process do hydrogen atoms use to make the Sun's energy?
a)
nuclear fusion
b)
nuclear fission
c)
nuclear isotope
d)
nuclear meltdown
4.
Which process do hydrogen atoms use to make the Sun's energy?
a)
nuclear fusion
b)
nuclear fission
c)
nuclear isotope
d)
nuclear meltdown
5.
Which process is used by nuclear power plants to produce energy?
a)
Nuclear fission
b)
Nuclear fusion
c)
Nuclear isotope
d)
Nuclear meltdown
6.
The nuclear reaction used in nuclear power generating plants can be dangerous. This is because the byproducts are __.
a)
very hot
b)
acidic
c)
mostly poisonous gas
d)
highly radioactive
7.
What is the process of splitting atoms to release usable stored energy?
a)
nuclear fusion
b)
nuclear fission
c)
combustion
d)
radiation
8.
Which statement describes nuclear fission?
a)
The nucleus of a large atom is split by a neutron into smaller nuclei and energy is released.
b)
A neutron combines with the nucleus of a large atom and releases energy.
c)
The nuclei from two elements are forced together under high temperature and pressure to release energy.
d)
The nucleus of a reactive element combines with another nucleus to release energy.
9.
The sun produces energy through nuclear fusion. This means that what process occurs inside the sun?
a)
collision and joining of atoms
b)
cooling of atoms
c)
stabilization of atoms
d)
splitting of atoms
10.
Which element can be used to start nuclear fission reactions?
a)
plutonium
b)
phosphorous
c)
hydrogen
d)
helium
11.
The class is studying nuclear reactions. Which method would be the best way for the students to understand what happens at an atomic level during nuclear fission?
a)
computer simulation of nuclear fission
b)
lab experiment that creates nuclear fission
c)
observe nuclear fission with a microscope
d)
create nuclear fission for homework
12.
What are the two types of nuclear reactions?
a)
oxidation and reduction
b)
combustion and augmentation
c)
reduction and fusion
d)
fission and fusion
13.
Which is a benefit of using nuclear power?
a)
Makes us less reliant on fossil fuels
b)
Exposes workers to hazards in nuclear facilities
c)
Generates radioactive nuclear waste
d)
Causes thermal pollution to water systems
14.
Which statement best summarizes the consequences of using nuclear energy?
a)
There are both positive and negative effects from the use of nuclear energy.
b)
There are only positive effects from the use of nuclear applications.
c)
There are only negative effects from the use of nuclear applications.
d)
The negative effects greatly outweigh the positive effects in nuclear applications.
15.
What is the process where the nucleus of a radioactive atom is split, forming lighter elements, and releasing huge amounts of energy?
a)
nuclear fission
b)
nuclear fusion
c)
geothermal reaction
d)
hydrogen power
16.
What are the two types of nuclear reactions?
a)
fusion and fission
b)
reduction and fission
c)
fusion and addition
d)
addition and reduction
17.
Which of the following is NOT a benefit of using nuclear energy?
a)
There are no waste products left over.
b)
There is no air pollution generated.
c)
It is a reliable and economical source of energy.
d)
It decreases our dependence on foreign oil.
18.
The process of splitting an atom's nucleus and releasing a large amount of energy is called __.
a)
nuclear fission
b)
nuclear fusion
c)
nuclear meltdown
d)
nuclear isotope
19.
What might be a concern raised by community members if they were told that a nuclear power plant was going to be built in their neighborhood?
a)
the threat of a nuclear accident or spill
b)
the air pollution generated by the plant
c)
coal could be used to produce more energy per gram of fuel
d)
excessive use of petroleum would leak into the water under the ground
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