4th Nine Weeks Review (1st 1/2)

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Across
  1. 3. a reusable spacecraft that used rockets to launch but could land like a plane when returning to Earth
  2. 5. The astroid belt is found between __________________.
  3. 12. A vehicle sponsored by sixteen nations that circles the earth while astronauts living on board carry out experiments
  4. 13. what would happen to the force of gravity on you if you decreased in mass
  5. 14. Which of the following isn't a common characteristics for the outer planets?
  6. 15. measure of the force of gravity on your body
  7. 17. Units are Newtons
  8. 20. are bowl-shaped holes in solid, rocky surfaces that are formed when large meteoroids, asteroids, or comets smash into the surface of a terrestrial planet, asteroid, or moon.
  9. 24. The entire mass of air that surrounds Earth, made up of 78% nitrogen, 21% oxygen, and trace amounts of other gases.
  10. 25. Which US Space Shuttle (1986) ended in an explosive tragedy 73 seconds after liftoff?
  11. 26. The great red spot is located on which planet?
  12. 27. The smallest planet, now known as a dwarf planet, in our solar system is________________.
  13. 30. Which planet has solid, liquid, and gas forms of water?
Down
  1. 1. Standard units are grams
  2. 2. first American on the moon
  3. 4. The variable that is purposefully changed. It's not affected by any other variables.
  4. 6. Which country was the first to send an artificial satellite into the Earth's orbit?
  5. 7. A measure of how much matter an object has is
  6. 8. Many craters on Earth have been eroded by _____and _______ and destroyed by tectonics and volcanism.
  7. 9. What does the character of a crater depend on?
  8. 10. First creature in space
  9. 11. Two factors effecting the magnitude of the force of gravity between 2 objects are
  10. 16. A US government agency in charge of the space program
  11. 18. Is earth made of mostly land or water?
  12. 19. The ________ was designed to land humans on the Moon and bring them safely back to Earth.
  13. 21. Which of the following never changes no matter where in the universe
  14. 22. What was the first mission to land on the moon
  15. 23. The variable that gets affected by another.
  16. 28. Country that landed the first man on the Moon
  17. 29. Rays of ejected material radiate ________from an impact crater in all directions.