Gamma radiation, which is harmful, is useful in treating cancers. In the second lesson in a series of four, young scientists take surveys and calculate their yearly exposure to ionizing radiation. Then they read about how harmful their totals are to the human body before discussing how this affects spacecraft and its exposure to radiation.

Concepts

radiation, the human body, space travel

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Additional Tags

science

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Instructional Ideas

• Have learners take their surveys home and collect data on their parents, siblings, grandparents, aunts, uncles, etc.; share data with the class
• Discuss what they believe the radiation totals would be for pilots, astronauts, or other professions

Classroom Considerations

• Requires only copies of the electromagnetic spectrum and worksheets; calculators, glitter, and Geiger counter are optional
• Could fit into unit on the sun, energy, or the human body

• This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information

Pros

• Activity provides extensive background information, assessment rubric, worksheets, answer keys, additional resources, extension suggestions, and teacher tips throughout
• Engages students because it is about their exposure to radiation, so it provides a personal connection

Cons

• None

Common Core

RST.9-10.2