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Unit 1. The Universe and its Stars. Day 1 Bellringer. Put the following 7 stages of a medium-mass (Sun) star in order of how you think they would happen in the life-span of a star: Variable Stage Main-sequence star White Dwarf Stage Protostar Giant Stage Planetary Nebula Stage

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unit 1

Unit 1

The Universe and its Stars

day 1 bellringer
Day 1 Bellringer
  • Put the following 7 stages of a medium-mass (Sun) star in order of how you think they would happen in the life-span of a star:
  • Variable Stage Main-sequence star
  • White Dwarf Stage Protostar
  • Giant Stage Planetary Nebula Stage
  • Dust and gases

http://www.globalchange.umich.edu/globalchange1/current/lectures/topography/topography.gif

interstellar matter think aloud p 683
Interstellar matter Think-aloud: p. 683
  • Between the stars is “the vacuum of space”
  • Nebula
    • Cloud of dust and gases
    • Two major types of nebulae
      • Bright nebula
        • Glows if it is close to a very hot star
        • Two types of bright nebulae
          • Emission nebula
          • Reflection nebula
interstellar matter
Interstellar matter
  • Nebula
    • Two major types of nebulae
      • Dark nebula
        • Not close to any bright star
        • Appear dark
        • Contains the material that forms stars and planets
day 2 bellringer
Day 2 Bellringer
  • Bellringer: Explain the best you can the following statement; The Sun is an average star.
  • Today we’ll introduce hydrostatic equilibrium.
  • I’ll show sizes of stars and planets relative to each other.
  • We’ll group up and start the project to develop a model (poster) to illustrate the lifespan of a medium-mass star (Sun)
day 3 bellringer
Day 3 Bellringer
  • Get out your work to turn into the tray.
  • Turn in the following to the appropriate tray. Make sure your first, and last name name, date, and class period is on every data sheet:
  • Learning Target Inventory data sheet
  • Bellringers (4 of them)
  • 15 gravity questions data sheet
  • P. 699, #12, 14-20 homework.
day 4 bellringer
Day 4 Bellringer
  • Sit with your groups in one of the areas of your choice.
  • You’ll continue on your Star “life-span” posters today and tomorrow.
  • Go ahead and get out your project work and continue work on it.
day 5 bellringer
Day 5 Bellringer
  • One of my goals this year is for you guys to become better “independent learners.” Describe what does that means to you.
  • Once you’ve finished your bellringer continue on with working on your poster.
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