WorksheetsNuclear Fission and Fusion Practice
Total questions: 20
Worksheet time: 24mins
_______ is when a large nucleus is split into smaller nuclei releasing large amounts of energy.
fusion
fission
radioactive decay
gamma radiation
This is an example of...
Fission reaction
Fusion reaction
Combustion reaction
Radioactive Decay
_______ is when two small nuclei collide and join together to form a larger nucleus releasing large amounts of energy.
fission
beta decay
alpha decay
fusion
The nuclear equation shown models which nuclear process?
fusion
fission
beta decay
gamma emission
Which nuclear process if shown in the picture?
fission chain reaction
fusion reaction
combustion
radioactive decay
The nuclear equation shown models which nuclear process?
fission
fusion
alpha decay
beta decay
Fill in the blanks: In a nuclear ____ reaction, a _____ nucleus is bombarded y a small neutron causing it to become unstable.
fission; large
fission; small
fusion; large
fusion; small
What is the major drawback to fission power?
Radioactive Waste
CO2 Emissions
SO2 Emissions
Low energy output
In the equation E=mc2, which of the following correctly represents one or constants?
m = the sum of the masses
E = the activation energy
c2 = the speed of light (squared)
T/F When the process of fission releases energy, the total mass of the atoms are less than when it started.
True
False
Which particles are found in the nucleus of an atom?
proton
electron
neutron
Which is faster, a critical process or a supercritical process?
critical
supercritical
the speeds are equal
Which of the following items are related to nuclear fission reactions? Check all that apply.
occurs in the sun
used in nuclear power plants
involved in chain reactions
no radioactive waste is produced
used in the Fat Man and Little Boy nuclear bombs
Which of the following items are related to nuclear fusion reactions? Check all that apply.
occurs in the sun
used in nuclear power plants
involved in chain reactions
no radioactive waste is produced
requires very high temperatures to start the reaction
Which of the following pairs would be called isotopes?
uranium-235 and plutonium-239
hydrogen-1 and helium-4
uranium-235 and uranium-238
sulfur-32 and phosphorus-32
What type of reaction is shown here?
nuclear fission
nuclear fusion
combustion
decomposition
The predicted mass for a nucleus is MORE than the actual mass. This difference is called the
neutrino
critical process
binding energy
speed of light
Where does the massive amount of energy from a nuclear reaction come from?
Some of the mass of the nucleus is converted into energy.
The energy is from the combustion of the protons.
Protons decay into electrons, releasing energy.
The fission of a 100 gram piece of uranium releases ( more / less) energy than the combustion of 100 grams of coal.
(Choose the correct word and type it below.)
(a)
An example of an uncontrolled fission reaction is found _______________.
in nuclear power plants
during radioactive decay
in atomic bombs
on the surface of the sun
