Radioacivity Crossword Puzzle

QUESTIONS LIST:

• fission : the name for when large nuclei split apart
• lead : dense metal very good at absorbing radiation
• control rods : the can be lowered into a nuclear reactor to slow fission taking place
• beta : one of the three forms of radiation
• chernobyl : the ukrainian nuclear disaster
• shielding : lead or concrete needed to absorb radiation
• sellafield : the name of the british nuclear near disaster
• neutron : a nuclear particle thrown out from a splitting nucleus
• gamma : one of the three forms of radiation and the most powerful
• positron : a small anti-matter particle
• alpha : one of the three forms of radiation and one of the most dangerous
• half-life : a measurement of how long radiation can last
• japan : the country where one of the worst nuclear disasters happened
• heysham : the site of the nearest nuclear power station to merseyside.