Meteoroid Crossword Puzzle

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Across
  1. 6. Meteors occur when meteoroids brightly burn in the atmosphere
  2. 8. Meteors burn due to the extreme __________ they create when colliding with Earth's atmosphere at high speed
  3. 10. This is what most meteoroids are made of, it's a mix of oxygen and silicon
  4. 12. Meteoroids are made of metals like ________ or Ni
  5. 14. Dust-sized materials are called ______ _______
  6. 16. This is the flash of light that occurs when a meteoroid burns in the atmosphere
  7. 17. Sand-sized meteoroids are called ________ they can impact spacecraft
  8. 18. Meteoroids a basically space ________
  9. 20. Meteoroids are made of metals like ________ or Fe
Down
  1. 1. This is any meteor that doesn't completely burn up so it hits the surface of Earth
  2. 2. These are out in space and have a tail caused by dust and ionized gases
  3. 3. When several observable meteoroids hit Earth's atmoshpere and burn it's called a meteor ______
  4. 4. A small, rocky or metallic object in space that ranges in size from pebbles to tiny asteroids
  5. 5. this was one of the most extravagant meteor showers is history: The _______ meteor shower of 1833
  6. 7. Meteoroids out in space are usually less than _______ feet wide and have an irregular shape
  7. 9. This is the largest intact meteorite found in the U.S.
  8. 11. _________ of tiny ones hit the Earth's atmosphere each and every day
  9. 13. There are ____________ of known impact craters on Earth
  10. 15. There are ______________ of observable impact craters on the Moon
  11. 19. Meteoroids accelerate towards Earth due to Earth's ____________