1. 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt Sun Basics From The Inside Out Grab Bag 2Grab Bag On The Surface FJ

2. These are a cooler, dark areas on the sun’s surface

3. Sunspots

4. The “power source” of the sun.

5. Core

6. The surface and the “light layer” of the sun

7. Photosphere

8. The dark and lighter regions of a sunspot are called ________ and ________.

9. Umbra and penumbra

10. Electrically charged particles that affect Earth’s climate, radio transmissions, and create auroras.

11. Solar wind

12. Nuclear fusion converts ____________ into ____________

13. Hydrogen; helium

14. How much longer will the sun last until it runs out of fuel?

15. 5 billion years

16. What two things are produced in nuclear fusion?

17. Energy and light

18. When the sun’s life is finally over and all the fuel has been used up, what kind of star will remain?

19. A black dwarf star

20. When the core’s fuel is almost out, the core of the sun will contract. What will happen to the rest of the sun?

21. The Sun will expand until it is past Mars’s orbit, becoming a giant star.

22. Cooler regions of the Sun’s surface

23. Sunspots

24. Darkest region of a sunspot

25. The umbra

26. Sometimes called coronal mass ejections, these eruptions from the sun can extend outward for thousands of miles

27. Solar flares

28. Reddish loops of gas that link sunspots

29. Prominences

30. TWO PART ANSWER: Solar flares greatly increase the _______ ________ particles from the corona. These reach Earth’s upper atmosphere and can cause what?

31. Solar wind; Magnetic storms that cause electrical disturbances for radio, TV, phones and electrical power, auroras, navigation satellite failures

32. Distances to stars are measured in what?

33. Light Years

34. Solar energy is produced in what process?

35. Nuclear fusion

36. Part of the sun that rotates the fastest

37. The equator

38. He was the first scientist to hypothesize that planets orbit the sun

39. Copernicus

40. 3 layers of the sun’s atmosphere starting at the surface

41. 1.Photosphere 2. Chromosphere 3. Corona

42. Average “day” on the sun

43. About 25 days

44. Part of the sun only visible during an eclipse.

45. Corona

46. What layer are you looking at when you look at a photograph of the sun?

47. Photosphere

48. Name three features that can exist on the surface of the sun.

49. Solar flares, sunspots, and prominences

50. What layer of the sun produces the solar wind?

51. The corona

52. 1.Core 2. Choromosphere 3. Photosphere 4. Prominence 5. Sunspot 6. Corona