Science Crossword

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Across
  1. 3. a meteor that hits the ground of the Earth
  2. 5. a space rock made of rock and metal that orbits in the asteroid belt
  3. 6. a space rock of ice, rock, and dust that has a tail as it orbits the sun
  4. 8. the other name for the 4 outer planets that are large and made of gas
Down
  1. 1. an asteroid that burns up in Earth's atmosphere
  2. 2. Half of the Earth
  3. 4. the other name for the 4 inner planets with a hard, rocky surface
  4. 7. a space rock that orbits a planet