Radioactivity
Radioactivity
Radioactivity
Radioactivity
Radioactivity
100
1/2000th of a proton.
What is the mass of an alpha particle?
100
Alpha particles , beta particles , gamma rays.
What are the three types of nuclear radiations?
100
Henri Becquerel received it.
What is a Nobel Prize?
100
She was a scientist who worked on radioactivity.
Who was Marie Curie?
100
This type of radiation doesn’t have any mass or charge
What are gamma rays?
200
They are as fast as light.
How fast are gamma rays?
200
It is the number of years taken by a radioactive product to divide its amount of radioactivity by two.
What is the half-life?
200
It happened in March, 2011.
When did the explosion of Fukushima’s nuclear power station take place?
200
Its other name is alpha particle.
What is He2+?
200
Cancers, mutations and death.
What are the consequences on our health of radioactivity?
300
It is made of 6 protons, 8 neutrons and 6 electrons.
What is a carbon-14 atom?
300
It is a radioactive metal mined in various parts of the world
What is uranium?
300
In 1896.
When has radioactivity been discovered?
300
A slow and heavy particle
What is an alpha particle?
300
It makes the turbines turn.
What is steam ? What does steam do?
400
The decay of one atom uranium atom provokes the decay of the others.
What is a chain reaction?
400
It is used in nuclear weapons.
What is plutonium?
400
It is the fuel for nuclear power stations.
What is uranium 235?
400
Because it doesn’t produce smoke or carbon dioxide.
Why doesn't nuclear power contribute to the Grenhouse effect?
400
About 5000 years.
What is the half-life of Carbon-14?
500
Calder Hall in Cumbria, England in 1956.
Where and when was opened the first large scale nuclear powered station?
500
It’s used as a tracer in diagnosis of thyroid problems.
What is Iodine-123?
500
Fessenheim nuclear power plant.
What is the oldest nuclear plant in France?
500
We seal it up and bury it for many years.
What do we do with final radioactive waste?
500
In Chernobyl the reactor core melted and in Fukushima the cooling system exploded.
What is the difference between the accidents of Chernobyl and Fukushima?
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