Earth Day Puzzle

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Across
  1. 1. The natural satellite of the Earth.
  2. 2. The process of using less and making things last longer to reduce waste.
  3. 3. A popular activity on Earth Day where people clean up litter in their communities.
  4. 6. The day dedicated to celebrating and protecting the Earth.
  5. 7. These green plants help to produce oxygen.
  6. 8. Our planet's nickname starts with "B" and ends with "ue."
  7. 9. A symbol of Earth Day that is often represented by a green and blue sphere.
Down
  1. 1. These creatures are often harmed by pollution in our oceans.
  2. 4. A large body of salt water that covers most of the Earth's surface.
  3. 5. The layer of gases surrounding the Earth.