Activity 6 Dangers of Physics
Subject: Radioactive Waste
Primary objective: When
you have completed this task you will be familiar with some of the problems
of radioactive waste and its safe disposal.
You will also have used
two search engines, Yahoo and Metacrawler.
1. List three human activities
which give rise to radioactive waste:
Go to Yahoo (http://yahoo.co.uk/)
and search for Nuclear waste disposal. How many sites are found?
At the top of the found sites
click on WEB PAGES and search again. This should bring up many more results.
How many? _________________________________________________
Note any sites, which may be
Again at the top of the page
you will see NEWS STORIES. Click on this for topical issues.
Go to Metacrawler and search
for Nuclear waste disposal. This multi-threaded engine probably
found many more sites than your first Yahoo search, but less than your
second did. Note useful sites.
Use the good sites you have
found to answer these questions:
2. Give two methods currently
used to dispose of radioactive waste:
3. There is a nuclear reprocessing
plant situated very close to Ireland. Where is it? _______
4. What do the letters
BNFL stand for? _________________________________________
5. What do the letters
NIMBY stand for? ________________________________________
6. What do you think is
the biggest problem with radioactive waste? _______________
7. What percentage of the
UK’s energy is produced by nuclear reactors? _______________
8. What actually happens
at Sellafield? _________________________________________
9. Only a tiny proportion
of background radiation comes from power stations. Where does the rest
of it come from? __________________________________________________
10.What is nuclear fission?
11. Some people think that
nuclear fusion would be better than fission. Why do they
think that? __________________________________________________________________
12. In Ireland many radioactive
isotopes are used in medicine. What happens to them when they are no longer