Uses and hazards of radiation

1

Why is carbon used for dating fossils?

2

Which ratio is used to date rocks?

3

As rocks become older what happens to the proportion of lead?

4

What is the name given when ionising radiation is used to treat cancer?

5

Cancers are formed when radiation collides with which part of a cell?

6

Which is the most dangerous type of radiation inside our bodies?

7

Which are the most dangerous types of radiation outside our bodies?

8

What type of radioactive waste is mixed with concrete and put in a stainless steel drum in a purpose-built store?

9

Which scientist or scientists actually tested the plum pudding model?

10

What is released when a neutron hits a uranium nucleus in nuclear fission?