- Science
Mission Objectives
Define background radiation
Describe the main sources of natural and man-made background radiation
Explain how exposure to background radiation may vary based on job or location
Words and meanings to learn
irradiation
when an object is exposed to radiation
sterilisation
the process of making something free from bacteria or other living microorganisms
toxicity
being poisonous
mutation
changing the structure of a gene by altering the DNA
cancerous
affected by the uncontrolled division of abnormal cells
Resources: Class presentation and handout.
Handout: List some sources of background radiation. Explain the factors that may change the background radiation a person receives. Use data to assign the amount of radiation received to the source and make calculations to assess the overall risk.
Expert film
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