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Physical Science Review Benchmark 3
Test Description: Review of Nuclear
Instructions: Answer all questions to get your test result.
1) The emission of radiation is called?
A
Radioactivity
B
Alpha
C
Beta
D
Gamma
2) What is radiation?
A
When particles are absorbed into the atom's nucleus
B
When particles released due to a disintegration of an atom's nucleus
3) True or False, we use Fusion energy on the earth
A
False
B
True
4) What is nuclear fission?
A
The fusion of combining two or more lighter atoms into a larger one.
B
The splitting of one larger atom to two smaller ones.
5) What is nuclear fusion?
A
The splitting of one larger atom to two smaller ones.
B
The fusion of combining two or more lighter atoms into a larger one.
6) What nuclear reaction does the sun use?
A
Fusion
B
Fission
7) What nuclear reaction does nuclear weapons use?
A
Fission
B
Fusion
8) True or False, a nuclear reaction involves a change in the atom's nucleus.
A
False
B
True
9) True or False, radiation is emitted because their nuclei are unstable and so they gain stability by losing energy.
A
False
B
True
10) What is nuclear decay
A
Stable nuclei gaining energy by absorbing radiation in a spontaneous process
B
Unstable nuclei lose energy by emitting radiation in a spontaneous process and continue to do so until they form stable, non-
*select an answer for all questions
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