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The Life Cycle of Stars. Do Now. Compare Aldebaran with Sirius B. Which star is hotter? Which is brighter? How do you know?. Agenda. Do Now Mrbrysonscience.wikispaces.com Life Cycle of Stars Simulation Exit Ticket. Stellar Variables. Heat Color Mass Life Cycle Size

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Presentation Transcript
do now
Do Now

Compare Aldebaran with Sirius B. Which star is hotter? Which is brighter? How do you know?

agenda
Agenda
  • Do Now
  • Mrbrysonscience.wikispaces.com
  • Life Cycle of Stars Simulation
  • Exit Ticket
stellar variables
Stellar Variables
  • Heat
  • Color
  • Mass
  • Life Cycle
  • Size
  • Luminosity/Magnitude/Brightness
marbles and washer in balloons
Marbles and Washer in Balloons
  • Place washer in blue balloon
  • Place black marbles in white balloons
  • Place white marbles in red and yellow balloons
  • When you start to blow, blow your balloon down towards the floor
    • You don’t want to swallow the marble!
galaxy 222
Galaxy 222
  • The balloons represent stars
  • Every student has a star with a different mass
  • How is mass different from size?
    • Mass is the amount of matter in the object regardless of size.
    • Ex. computer and box
slide8

When your star has finished its cycle, follow along with the rest of Galaxy 222 and fill in the boxes on your worksheet.

in our stellar nursery
In our Stellar Nursery

What’s happening right now in the nursery?

discussion
Discussion
  • What was the effect of mass on life span?
  • Which stars deflated and which stars exploded?
  • What does this tell you about our sun?
exit ticket
Exit Ticket
  • Explain the effect of mass on a star’s life cycle?