PASS Review 2

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Across
  1. 6. the distance light travels in one year
  2. 7. a graph that shows how distance and time are related to the motion of an object
  3. 9. space debris that burns up when it enters Earth's atmosphere
  4. 11. a type of wave that needs a medium to travel
  5. 13. a type of wave that moves at a right angle
  6. 18. how far an object is from the original starting point
  7. 19. space debris that impacts Earth's surface
  8. 23. terrestrial, rocky planets
Down
  1. 1. educated guess, if-then statement
  2. 2. have two properties, magnitude and direction
  3. 3. a repeated disturbance or vibration that transmits energy, but not matter
  4. 4. the tendency of an object to resist a change in motion
  5. 5. a material through which waves can travel
  6. 8. a type of wave that does not require a medium to move
  7. 10. planets known as the gas giants
  8. 12. the highest point on a wave
  9. 14. how far an object has traveled
  10. 15. v=d/t, distance over time
  11. 16. the name of the galaxy we live in
  12. 17. a type of wave that moves in the same direction as the energy
  13. 20. a force that slows objects to a stop, depends on the type of surface
  14. 21. a collection of stars, gas, and dust
  15. 22. gravitational attraction to Earth