Earth Day Cross Word! #By:Ahana Nagaraj Uchil 5B#

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Across
  1. 2. Earth is _______ billion years old.
  2. 6. The most inner part of Earth.( put - between two words only in this section)
  3. 7. To use some thing again.
  4. 8. The month of Earth day.
Down
  1. 1. The circumference of Earth is ____ miles.(Don't forget to write the comma separately)
  2. 3. Some thing present in the air without which we cannot survive.
  3. 4. Another name for water.
  4. 5. _______ glaciers have an impact on Earth's shape.