Earth Day

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Across
  1. 1. Substances or things introduced into the environment that has harmful or poisonous effects.
  2. 4. Transfer of energy from plants through a series of animals to humans.
  3. 7. Smaller or lesser in size.
  4. 8. Reusing discarded objects to create a product of higher value than the original.
  5. 11. Gradual increase in the overall temperature of the earth's atmosphere.
  6. 12. Converting waste into reusable material.
  7. 13. earth's largest natural source of energy.
  8. 14. our world.
Down
  1. 2. Plants and trees release it into the air.
  2. 3. Absorbs the sun's rays as a source of energy that generates electricity.
  3. 5. Clearing a wide area of trees.
  4. 6. Earth day is celebrated in this month.
  5. 9. protect from harm or destruction (environment)
  6. 10. Decayed organic material used as a plant fertilizer.