Overall rating 5 out of 55 (1 rating)
Last updated 31 January 2012, created 24 April 2010, viewed 652
The focus of this episode is the properties of ionizing radiation. It is a good idea to introduce these through a consideration of safety.
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Investigations into alpha,beta and gamma radiation starting from the initial question "Why are radioactive substances hazardous?". Experiments, safety hints and a discussion of the inverse square law are also included. Excellent resource.
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