opposite of exit
_ _ _ _ _ _ _ e
entrance
how much of the world energy is generated by nuclear reactors. %
10%
if they do something which is _ _ _ _ _ _ t, they use physical force or weapons to hurt, injure, or kill other people.
violent
what happens if there is a serious nuclear explosion in a reactor?
humans and animals cannot live there for decades
which countries were seriously affected by nuclear reactor accidents? (3)
ukraine, russia, japan
name two of the nuclear accidents?
fukushima
chernobyl
lucens
etc.
how many serious accidents have happened so far?
7
when was the first nuclear test explosion?
1943
why is nuclear energy mostly used to day?
to generate electricity
which countries have developed nuclear weapons in the last 40 years? (3)
pakistan
israel
india
south africa
north korea
nulear waste is dangerous
because it is r _ _ _ _ a _ _ _ _ e
radioactive
adjective to describe a person or country which hates war and supports peace all the time
p _ _ _ _ _ _ l
peaceful
how many years does does it take for nuclear waste to lose its harmfulness?
tens of thousands of years
how many reactors are there in the world now?
nearly 400
how many countries operate nuclear reactors?
over 30
when did big countries sell nuclear energy to small countries?
1970s
how many people die in a nuclear reactor accident?
many thousands
when were the two large cities destroyed by nuclear bombs?
1944
what element is extracted in re-processing?
plutonium
what are the three reasons why nuclear technology is dangerous?
1. nuclear weapons
2. nuclear waste
3. accidents and disasters
why may there be a lot of plutonium in Germany?
it was a good idea years ago