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Chapter 3- Review

Chapter 3- Review. What Can Y ou O bserve A bout S tars?. The hottest stars are yellow. True or False. False! The hottest stars are blue!. Why is it easier to see stars at night?. Sunlight doesn ’ t wash out the starlight. Why do other stars look so small compared to the Sun?.

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Chapter 3- Review

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  1. Chapter 3- Review What Can You Observe About Stars?

  2. The hottest stars are yellow.True or False

  3. False! The hottest stars are blue!

  4. Why is it easier to see stars at night?

  5. Sunlight doesn’t wash out the starlight.

  6. Why do other stars look so small compared to the Sun?

  7. They are much farther away from Earth than the Sun.

  8. Which star is the coolest? • Red • Blue • White • Yellow

  9. Red

  10. _____________ help you to see stars in more detail.

  11. Telescopes

  12. Name 4 properties of stars that affect how easy a star can be seen. • 1. Brightness • 2. Size • 3. Distance • 4. _________

  13. Color

  14. A smaller, hotter star can be brighter than a larger, cooler star.True or False

  15. True

  16. The Sun is a blue star.True and False

  17. No, the Sun is a yellow star!

  18. Is the Sun hotter than a blue star?

  19. No, the Sun is a yellow star and blue stars are hotter than yellow stars.

  20. What would happen to Earth if the Sun were a blue star?

  21. If the Sun were a blue star, it would be hotter and brighter on Earth.

  22. What would happen to Earth if the Sun were a red star?

  23. If the Sun were a red star, it would be cooler and not as bright on Earth.

  24. There are stars bigger than the Sun.True or False

  25. True! The Sun is only a medium sized star!

  26. What color star is hotter than a white star?

  27. Blue

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