Let there be light. The last installment of a seven-part series has pupils conduct an experiment on light attenuation through different numbers of transparency sheets. They then relate the results back to how X-rays measure bone density.

Concepts

light intensity, light, photons, x-rays, linear regression, technology resources

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Instructional Ideas

• If time is a factor, set up work stations before the class arrives

Classroom Considerations

• Learners should have knowledge of Beer's Law from the associated lesson
• A variety of materials is necessary for the activity; see Materials section for complete list

Pros

• Provides safety tips for the experiment
• Gives worksheets in Word form (as well as PDF form) for easy editing

Cons

• None

Common Core

HSA-SSE.B.3.a HSF-BF.B.5 HSF-LE.A.4