Interactive

Atomic Colors

Curated and Reviewed by Lesson Planet

Stars are too hot to visit, so how do we know what different stars are made of? An enlightening simulation uses a spectrum graph to show the various electron emission and absorption reactions. Scholars experiment with both helium and hydrogen electromagnetic wavelengths to see the concept in action.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Use the challenge questions as guided practice before pupils complete the easier worksheet questions independently
Classroom Considerations
  • Requires a free CK-12 account to access the interactive
  • Assumes prior knowledge of wavelengths and the bohr model
Pros
  • Provides a walk-through video since the controls are not intuitive
  • A spectrum graph updates with each new trial
Cons
  • None
Common Core