DoNow: White light is made of all frequencies of the electromagnetic spectrum. Why do you think the different colors of light in the gas discharge tubes had different spectral lines? (COSMOS link)
AIM: I can use spectra from stars to determine the elements within a star.
Activities:
- Submit Famous Astronomer Movie Notes, p 34
- Emission Spectra of Stars Lab, p 36 (Brian CoxVideo) (atomic spectra) (slideshow)
- Reading Between the Lines Activity 2, p 37
- Famous Astronomer Movie Notes 2, p 35 (The Universe: Beyond the Big Bang) (youtube) (NASA)
- Light and Waves Study Guide
Homework:
Complete Light and Waves Study Guide; Reading Between the Lines Activity 2, p 37; Famous Astronomer Movie Notes 2, p 35
Coming Up:
The Sun
Light and Waves Study Guide, Due: Thu.-Fri. 05-06 Oct.
Test on Light and Waves: Thu.-Fri. 05-06 Oct.
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