Just How Far is That Star?

This Just How Far is That Star? lesson plan also includes:

Pupils often wonder how we know the distance to various stars. Starting with a thought experiment and progressing to a physical experiment, they determine the brightness and distance to various stars. The evaluation requires critical analysis and application of learning.

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CCSS: Adaptable
Instructional Ideas

  • Extend the lesson to find the distance to a real star
Classroom Considerations

  • Prior knowledge of Microsoft Excel is helpful, but a pre-activity review could suffice
  • Learners should have completed or be currently taking Algebra II
  • The lesson best fits prior to learning about the behavior of light
  • Use fresh batteries for consistent light production
Pros

  • The lesson is designed using a 5E format
  • The connections to math encourage class members to practice applying formulas
Cons

  • None
Common Core