Q.1
Energy in the sun is produced as a result of nuclear ____ reactions.
  • fusion
  • fission
  • waste
  • sub
Q.2
The rate at which a radioactive element decays is its ____.
  • quarter life
  • whole life
  • wonderful life
  • half life
Q.3
Which type(s) of radiation would be affected by a magnet?
  • alpha only
  • beta only
  • alpha and beta
  • gamma only
Q.4
Name the instrument used to detect radioactivity.
  • voltmeter
  • ohmeter
  • seismograph
  • geiger counter
Q.5
Neutrons released in a fission reaction can strike other nuclei and cause a
  • meltdown
  • take down
  • break down
  • chain reaction
Q.6
The half-life of strontium-isyears. How much strontium-will remain afteryears if the initial amount is 4.0 g?
  • 3.0g
  • 0.25mg
  • 0.3g
  • 0.25g
Q.7
Finish this equation20983Bi--> _______ + 20581Tl
  • 42He
  • 0-1e
  • y
Q.8
The type of radioactive particle that can be stopped by a sheet of paper is the ____.
  • alpha particle
  • beta particle
  • gamma ray
  • uranium
Q.9
The most dangerous type of radiation is the ____.
  • alpha particle
  • gamma ray
  • beta particle
  • uranium
Q.10
When nuclei decay, massive amounts of __________ is released.
  • energy
  • electrons
  • protons
  • neutrons
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