Asteroids Crossword Puzzle

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Across
  1. 4. Asteroids within our solar system can reach speeds of 45 ________!
  2. 5. Asteroids are basically giant rocks that are a mix of rocky __________ materials along with metals
  3. 7. Asteroids have immense speed as they orbit the ______
  4. 9. A large, rocky or metallic object in space that ranges in size from about 30 feet to hundreds of miles across
  5. 11. Asteroids are huge but they are smaller than the _____________ of our solar system
  6. 13. Over a million asteroids reside within the Asteroid ________
Down
  1. 1. Asteroids are usually more than 30 feet wide and have a/n ___________ shape
  2. 2. Asteroids are also made of metals, namely iron and _________
  3. 3. This asteroid is of great interest and is of great concern
  4. 6. This asteroid collision event occured in 1908, 80 million trees were flattened
  5. 8. The word asteroid comes from a Greek word meaning ________-like
  6. 10. Asteroids instill a sense of ________ to humans
  7. 12. the Asteroid that killed the dinosaurs was about _____ miles wide