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15
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What is the minimum material needed to stop Beta radiation
Aluminum
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15
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What was the first sub atomic particle discovered?
The electron
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15
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Who's model of the atom put electrons in shells hold 2,8,8 electrons?
Niels Bohr
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15
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Which type of radioactive decay is this?
Gamma
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What is the name of this model of the atom?
The plum pudding model
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lifesaver
Give 10 points!
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seesaw
Swap points!
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shark
Other team loses 10 points!
Okay!
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thief
Give points!
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25
15
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What is the definition for half life?
the time taken for the activity of a radioactive source to reduce by half.
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lifesaver
Give 20 points!
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rocket
Go to first place!
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fairy
Take points!
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25
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baam
Lose 5 points!
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15
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What do we call atoms with the same number of protons, but different numbers of neutrons?
Isotopes
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15
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Which type of radioactive decay is this?
Beta
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What is the minimum material needed to stop Alpha radiation?
Paper / 10cm of air
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15
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Is the dome built over the destroyed reactor 4 in Chernobyl to prevent contamination or irradiation?
Contamination
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monster
Reset all scores!
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gift
Win 25 points!
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fairy
Take points!
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25
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lifesaver
Give 10 points!
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15
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The Earth's magnetic field protects us from ionising radiation from space (solar winds) [True/False]
True
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15
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Which Radioactive source type would you find in a smoke alarm? Alpha, Beta or Gamma.
Alpha
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15
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The discovery of the electron lead to which model of the atom?
The plum pudding model
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