Radioactivity

15 points

1.    Compare and contrast nuclear fission and nuclear fusion, and give an example of each in use.  (4 points)

2.    Name the 3 types of radiation, and rank them in order of how dangerous they are.  (3 points)

3.    Explain what the control rods do in a nuclear reactor.  (1 points)

4.    Compare and contrast transmutation and chain reaction (2 points)

5.    What is "half life"?  (1 points)

6.    What is a tracer and how is it used?  (2 points)

7.    Use the table below to answer these questions:

    a.    Which isotope is used to determine how old fossils are? (1 point)

    b.    Which isotope has the longest half-life? (1 point)