1. (Video – How the Universe Works: Extreme Stars – Parts 5 & 6)
Wednesday September 20, 2017
(Video – How the Universe Works: Extreme Stars – Parts 5 & 6)

2. Draw a sketch of the opposing forces that determine a star’s size.
The Launch Pad
Wednesday, 9/20/17
Draw a sketch of the opposing forces that determine a star’s size.

3. What is a “galaxy?” The Launch Pad Wednesday, 9/20/17
A galaxy is a massive, gravitationally-bound system consisting of stars, stellar remnants, an interstellar medium of gas and dust, and an important but poorly understood component called dark matter.

4. Announcements Remediation for Quiz 2 runs through this Friday at 5:00.
We will take Quiz 3 this Friday!

5. F7 F8 S2 QUIZ 2 Friday 9/12 9/14 9/15 5:00 PM Overdue
Assignment Currently Open
Summative or Formative #
Date Issued
Gone Missing Day
Last Day Accepted
NASA Research Paper - Stars F7
9/12
TODAY
DE – Stars F8
9/14
Overdue
QUIZ 2 S2
9/15
Friday
5:00 PM

6. Part 5 – Supernova Explosion
Video
HTUW - Extreme Stars
Part 5 – Supernova Explosion
(9:09)

7. SLC Debrief (Notes should be taken during SLC Debriefs and kept in a section in your Science Binder)
What causes a supernova explosion?
What can be left behind when supernovae explode?
Why are supernovae beneficial to life?

8. Part 6 - Stellar Evolution
Video
HTUW - Extreme Stars
Part 6 - Stellar Evolution
(4:21)

9. SLC Debrief (Notes should be taken during SLC Debriefs and kept in a section in your Science Binder)
Explain the grand recycling program taking place in the Universe.

10. The Universal Recycling Program
Nebular Gas Cloud
Protostar
Gravity and time
Gas and dust
Gravity and time
10 million Kelvins
Onset of Thermonuclear Fusion
Main Sequence
Planetary Nebula or Supernova Remnant
Star
Death