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6th Grade STEM: Stars and the Universe
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6th Grade STEM: Stars and the Universe
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25 Questions

1. Arrange the following colors in order from hottest to coolest: yellow, red, blue, white, and orange.

2. Which type(s) of galaxies make new stars?

3. Describe the appearance of spiral galaxies.

4. List the following galaxies in order from most common to rarest: irregular, spiral, and elliptical.

5. What is the name of our galaxy?

6. What force causes stars to form?

7. Explain why white dwarfs are always located low on the H-R diagram, but can vary in location from left to right on the graph.

8. Where on the Hertzsprung-Russell diagram are most stars located?

9. Explain why apparent brightness can make a star appear brighter than it really is.

10. What is the difference between a planetary nebula and a supernova?

11. When a white dwarf stops glowing, what does it become?

12. Why do red giants produce so much light?

13. What portion of a star's life is spent in the main sequence?

14. Describe a planetary nebula.

15. Why do large mass stars have short lives?

16. How old is the sun?

17. Explain how the age of stars changes as you move closer towards the center of a spiral galaxy.

18. Describe the process of fusion in stars.

19. What causes the white dwarf to glow?

20. What is a stellar cluster, and where can they be found?

21. What happens to the lifespan to a star when the star's mass increases?

22. How does the size of the sun compare to the size of the other stars?

23. Where are hot stars located on the H-R diagram?

24. What mass is required to form a lack hole?

25. Describe the amount/density of gas inside of a nebula.