Try each question, then move your mouse onto the

1. Name the three main types of nuclear radiation
   
   
2. List the three types of radiation in order of increasing penetrating power
   
   
3. List the three types of radiation in order of increasing ionising ability
   
   
4. What is the mass of an a particle? (in "atomic mass units")
   
   
5. What is the mass of a g ray?
   
   
6. Will a piece of paper stop b particles?
   
   
7. A piece of Americium-241, at room temperature, emits 200 a particles per second.
   How many will it emit each second when it is heated to 150 degrees Celsius?
   
   

Advanced:-

1. What happens to the atomic mass and the atomic number
   of a nucleus when it emits an a particle?
   
   
2. What happens to the atomic number of a nucleus when it emits a b particle?
   

 

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Created by Andy Darvill, www.darvill.clara.net,Science teacher at Broadoak Community School, Weston-super-Mare, England