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EARTH SCIENCE FINAL. PREP. Where did the matter that makes up the earth most directly come from? . Giant exploded stars that formed nebula of dust and gas. How do we know the earth isn’t made of matter from the BIG BANG?.

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    2. Where did the matter that makes up the earth most directly come from?

    3. Giant exploded stars that formed nebula of dust and gas

    4. How do we know the earth isn’t made of matter from the BIG BANG?

    5. Because the Big Bang only produced Helium, Hydrogen and a couple of trace elements

    6. Where did our atmosphere first come from?

    7. Volcanoes gave off carbon dioxide, water vapor, nitrogen and other gasses

    8. Where did the oceans most directly come from after the earth cooled down a lot?

    9. Condensation of water vapor in the atmosphere

    10. Why are the daytime and nighttime temperature the same on Venus?

    11. It’s carbon dioxide atmosphere lets sunlight in, but doesn’t let the heat back out

    12. What causes the pressure in a star that causes it to begin its burning reaction?

    13. GRAVITY

    14. If very humid warm air hits very cold humid air, what kind of weather is most likely to occur?

    15. Precipitation of some sort, depending on the temperature

    16. Maritime air masses are always?

    17. Wet

    18. Tropical air masses are always

    19. Warm

    20. Continental air masses are always

    21. Dry

    22. Polar air masses are always

    23. Cold

    24. What is the largest object?

    25. Left to Right • Dust & Gas • Planetesimals • Proto-planets • Planet

    26. Why do planets finally stop getting larger?

    27. They sweep up all of the dust and gas

    28. Why is Neptune the coldest planet?

    29. Farthest from the sun

    30. Why was the earth once molten? (What was the main cause of the heat?)

    31. Collisions of the proto-planets melted it

    32. What is the force that causes particles in space to keep forming larger and larger clumps until they finally become a planet?

    33. Force = Gravity

    34. Why is Venus hotter than Mercury ?

    35. Heat from the sun radiates away from Mercury because it has no atmosphere. • Heat from the sun can’t escape Venus’ atmosphere because it is made of carbon dioxide

    36. Why were the gas giants able to capture hydrogen when the inner planets were unable to capture hydrogen?

    37. Near the sun, hydrogen and helium are warm and move too fast fro a planet to capture them. • Out near the gas giants it is very cold and the molecules slow down enough to be captured by the planets gravity

    38. What protects us from solar wind on earth?

    39. Earth’s magnetosphere or magnetic field

    40. The temperature of a star can be determined by it’s color. What is the correct order of star colors from the coolest to the hottest?

    41. Red Cool • Yellow Warmer • White Hot • Blue REAL HOT

    42. How can we tell when a blue star or a white star dies?

    43. They EXPLODE!

    44. BOOM!

    45. What type of star is the coolest?

    46. Red dwarf

    47. What type of star is our sun?

    48. Yellow

    49. What type of star has the most gravity?

    50. Blue