1. State Test Review Astronomy

2. Please answer Questions 32-36
Use your yellow answer document
Please answer Questions 32-36

3. The Big Bang
Brain Pop Break

4. Key Idea: Galaxies are in the shapes of Spirals, Ellipticals or Irregulars

5. Solar System
Brain Pop Break

6. Key Idea: A galaxy is a cluster of over a billion stars.

7. Asteroids
Brain Pop Break

8. Key Idea: A light year is the distance light travels in a year.
Astronomical units are used to measure distances in our solar system. 1 AU = distance between Earth and the sun
Light years and used to measure distances in space.
Answer is light-year.

9. Outer Solar System
Brain Pop Break

10. Key Idea: Only stars produce light, everything else reflects light.
Eliminate the choices with stars since they produce light
Choice A all reflect light.

11. Exoplanets
Brain Pop Break

12. Key Idea: comets are ice and rock that orbit the Sun in long elliptical orbits from the Kuiper belt.
Key word in the question is ICE.

13. Comets
Brain Pop Break

14. Key Idea: Stars brightness depend on the temperature and size.
Q: What color is the hottest?
Q: What type and color of star is Betelgeuse?
Q: What is the least bright star on the chart and why?

15. Galaxies
Brain Pop Break

16. Key Idea: the life cycle of a star depends on its mass.
Q: Where do all stars form?
Q: What will our star (the sun) eventually become at the end of it’s life cycle.
Q: What is a supernova?

17. Life Cycle of Stars
Brain Pop Break

18. Key idea: Key Idea: The moon reflects sunlight
Q: What determines the phase of the moon we see on Earth?

19. Dark Matter
Brain Pop Break