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| Question | Answer |
| Why is carbon used for dating fossils? It has a large number of isotopes It has a small number of isotopes Living things are made from it | Carbon is used for dating fossils because it has a large number of isotopes. |
| Which ratio is used to date rocks? Uranium to lead Uranium to gold Uranium to thorium | The ratio of uranium to lead is used to date rocks. |
| As rocks become older what happens to the proportion of lead? It stays the same It decreases It increases | As rocks become older the proportion of lead increases. |
| What is the name given when ionising radiation is used to treat cancer? Chemotherapy Radiotherapy Tracers | Radiotherapy is the name of the treatment when ionising radiation is used to treat cancer. |
| Cancers are formed when radiation collides with which part of a cell? RNA DNA Mitochondria | Cancers are formed when radiation collides with the DNA in our cells. |
| Which is the most dangerous type of radiation inside our bodies? Gamma Beta Alpha | Alpha radiation is the most dangerous type of radiation inside our bodies. |
| Which are the most dangerous types of radiation outside our bodies? Gamma and beta Beta and alpha Alpha alone | Gamma and beta radiation are the most dangerous type of radiation outside our bodies. |
| What type of radioactive waste is mixed with concrete and put in a stainless steel drum in a purpose-built store? High Intermediate Low | Intermediate level radioactive waste is mixed with concrete and put in a stainless steel drum in a purpose-built store. |
| Which scientist or scientists actually tested the plum pudding model? Geiger and Marsden Rutherford Darwin | Geiger and Marsden actually tested the plum pudding model. Rutherford designed the experiment. |
| What is released when a neutron hits a uranium nucleus in nuclear fission? Daughter nuclei and two or three further neutrons Daughter nuclei and one neutron Daughter nuclei and two or three further electrons | When a neutron hits a uranium nucleus in nuclear fission daughter nuclei and two or three neutrons are released |
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