WorksheetsDragon Tail Quiz Full
Total questions: 12
Worksheet time: 6mins
Where is the earth's uranium primarily found?
in the atmosphere
in plants
in the ground (the crust)
in human bones
What do we call the normal levels of radiation we experience as earth dwellers?
cosmic radiation
background radiation
standard rad
universal exposure
What object in Marie Curie's lab did he detect radioactivity from?
doorknob
chair
floor
light switch
How many steps of decay does it take for uranium to decay into stable lead?
4
14
24
it doesn't
What do the native aborigines in Australia think will happen if the Uranium is mined from their lands?
earthquakes and fire
a huge profit for them
roses and sunshine
a great opportunity to develop housing
People became excited about uranium because they perceived it as _?_.
a rock that could give them superpowers
a source of endless energy
a very scary, magic element
a glowing rock that could be used for lighting
The worst 'accident' at a nuclear power plant happened at _?_.
Three Mile Island
Rocky Flats
Chernobyl
Fukushima
Splitting uranium nuclei to release energy is an example of _?_.
radioactive decay
fission
fusion
a chemical reaction
A radioisotopes decay rate is called "half life" because _?_.
it takes about the same amount of time for half of any sample size to decay
half of the nuclei decay at a time
only half of the nuclei decays, the other half remains unstable
half of the known elements go through radioactive decay
What is man-made technetium-99 used for?
nuclear power
nuclear weapons
irradiation of food
medical treatments
How did the children around Chernobyl get radioactive iodine in their bodies?
they breathed it in
they drank milk
they touched contaminated playground equipment, then ate with their hands without washing
it is naturally occurring background radiation
What caused the accident at the Fukushima power plant?
a meltdown
an earthquake
a mudslide
ignoring alarms
