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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. What 2 factors affect star brightness?

2. What causes the white dwarf to glow?

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

4. Are stars in a single constellation close to each other? Explain.

5. Where are black dwarfs located on the H-R diagram?

6. Describe the appearance of spiral galaxies.

7. What 2 pieces on information does someone need to find a star's absolute brightness?

8. List the following in order from smallest to largest: galactic cluster, stellar cluster, super cluster, galaxy, and star

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

10. Describe the temperature of red giants.

11. List the following in order from most dense to least dense: main sequence star, white dwarf, red giant, and neutron star.

12. Describe how the size of the universe is changing.

13. Describe how stars are spaced throughout the universe.

14. Explain why red giants are located so high on the H-R diagram despite their cool temperatures.

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

16. What word is used to describe the entire cosmos?

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

18. Describe the process of fusion in stars.

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

20. What is the name of our galaxy?

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

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

23. Why do red giants produce so much light?

24. What force causes stars to form?

25. 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.

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