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Episode 509: Radioactive Background and Detectors

From the Institute of Physics, this learning episode introduces the ubiquitous nature of radioactivity and considers its detection. It draws on students’ previous knowledge, and emphasizes the importance of technical terminology.

The activities include:
• demonstrating the detection of background radiation
• sources of background radiation
• sources of radiation and are they a source of concern
• demonstration and discussion around an Am-241 source
• correct use of vocabulary
• spark detector

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