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Teams
Name
Score
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baam
Lose 10 points!
Oops!
×
magnet
Take 20 points!
Okay!
×
gift
Win 20 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
15
×
The Earth's magnetic field protects us from ionising radiation from space (solar winds) [True/False]
True
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15
×
When an object is exposed to ionising radiation, it has been...
Irradiated
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×
seesaw
Swap points!
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gold
Win 50 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
15
×
Who's model of the atom put electrons in shells hold 2,8,8 electrons?
Niels Bohr
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15
×
The charge on an electron is?
-1
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seesaw
Swap points!
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star
Double points!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 25 points!
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15
×
What is the charge on a beta particle?
-1
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15
×
The discovery of the electron lead to which model of the atom?
The plum pudding model
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15
×
The aurora borealis (northern lights) is caused by ionising radiation hitting the atmosphere (True/False)
True
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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?
Alpha
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15
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What is the unwanted presence of radioactive material called?
contamination
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15
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Do you want the half life of a radioactive source in a smoke alarm to be long or short?
long
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15
×
The charge on a neutron is?
0
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15
×
Which would be the most dangerous type of radioactive source to swallow?
Alpha because its the most ionising.
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