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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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