Curriculum Concept: Describe the characteristics of stars: luminosity, temperature, color, and absolute brightness of stars. Identify the different sizes of stars and the life cycle pattern
Grade level: 9th grade physical science; astronomy unit
Tools needed:
Computers for students
Worksheets
Access to internet
Web Resources:
· Hertzsprung Russell diagram worksheet
Strategy: A quick look at the Hertzsprung-Russell diagram shows students that there are stars have different sizes, colors, temperatures, and brightnesses. The Interactive HR diagram leads the students an through the various scales used on the diagram and offers an opportunity to relate the scales to one another. The Hertzsprung Russell diagram worksheet allows the students to apply their learning and draw conclusions based on this learning. Finally, the Life cycle of a star explores the typical life stages of stars of different sizes.
Prior knowledge: Students have studied galaxies and galaxy types. The next level is the study of the
stars within the galaxies.
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