WorksheetsAtomic & Nuclear Physics
Total questions: 30
Worksheet time: 15mins
What makes something radioactive?
an unstable nucleus
contaminated sewage
elements with an atomic number above 81
it decays over time
Energy in the sun is produced as a result of nuclear _________ reactions.
waste
fission
atomic
fusion
Which type of nuclear reaction takes place at a nuclear power plant when uranium nuclei are split to produce heat?
fission
fusion
What is radioactive decay?
The spontaneous breakdown of an atomic nucleus resulting in only energy release
The spontaneous breakdown of an atomic nucleus resulting in only matter release
The spontaneous breakdown of an atomic nucleus resulting in a release of energy and matter
The decay of the use of radios and the increased use of televisions
Takes two small nuclei and combines them into a larger nucleus
fission
fusion
The splitting of a nucleus into smaller nuclei is
fusion
fission
half-life
gamma radiation
How do nuclear power plants work?
Fusion
Half-Life
Fission
Fusion & Fisson
This is an example of...
Fission reaction
Fusion reaction
Decomposition Reaction
Decay
Where does fusion occur naturally?
Underwater
All around us
In the radioactive waste
On the sun
Which atoms combine together during fusion reaction on the sun?
Helium and Hydrogen atoms
Hydrogen atoms
Hydrogen and Lithium atoms
Hydrogen and Carbon atoms
Very high temperature and pressure is require for:
Fission
Fusion
Radioactive Decay
One disadvantage of nuclear energy is _______.
it is a fossil fuel
it emits large amounts of pollution into the atmosphere
it leaves behind radioactive waste
there are not disadvantages
Some advantages of nuclear physics are _______.
nuclear plants don't emit as many greenhouse gases as coal plants
cancer treatment
medical diagnostics
there is very little dangerous waste with nuclear energy
When does radioactive decay occur?
When the nucleus of an isotope is unstable
When the electrons of an isotope are spinning
When the nucleus of an isotope is stable
When the electrons of an isotope are shared with another isotope
The product of nuclear fission includes
neutrons and electrons
several nuclei and electrons
several nuclei and neutrons
several nuclei and protons
Two nuclei of low masses are combined to form one nucleus of larger mass is called what?
Nuclear fission
Nuclear fussion
Nuclear half-life
Radioactive Decay
Which of the following is true about nuclear fusion?
It is easy to implement
It produces less energy than nuclear fission
It produces more energy than nuclear fission
It has the ability to occur easily in everyday life
The process of the production of lighter nuclei from heavier nuclei is called
mass energy
fusion
decay
fission
When nuclei decay, massive amounts of _______ is released.
energy
protons
neutrons
chaos
A particle with a positive charge that determines the element
proton
nucleus
neutron
electron
Does fission refer to the splitting or fusing of atoms?
splitting
fusing
Does fusion refer to the splitting or fusing of atoms?
splitting
fusing
This equation shows how mass and the speed of light convert to energy
E=mc
E=mc2
E=mc3
E=m
In E=mc2 what does 'c' stand for?
core
carbon
speed of light
energy
In E=mc2 what does 'E' stand for?
energy
electrons
emission
electrical
The speed of light is
3 x 108 m/s2
3 x 108 m2/s2
3 x 108 m/s
3 x 108 m
Energy can be converted into matter
true
false
Matter can be converted into energy
true
false
______________ is a process by which unstable atoms emit radiation until they become stable.
Radiation
Chemical Reaction
Radioactive Decay
Isotopes
What protons & neutrons are made up of
Electrons
Quarks
Nucleus
Nothing they're the smallest particles
