Fresh Air, Clean Water: Criss Cross

Answer clues based on the content and vocabulary words from Fresh Air, Clean Water: Our Right to a Healthy Environment.  Look for hints in the Word Bank. Print the puzzle or use on your tablet, phone, or computer.

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Across

  • 3. Containing poison, or caused by poisonous substances.
  • 4. A long period of dry weather when there is not enough water for plants and animals to live.
  • 6. Members of the general public who volunteer their time to help professional scientists collect data.
  • 7. Able to continue without causing damage to the environment.
  • 8. A chemical substance used to kill insects and small animals that destroy crops.

Down

  • 1. The variety of plants and animals in a particular place.
  • 2. Food that is full of the natural substances that your body needs to stay healthy or to grow properly.
  • 5. A gas, especially carbon dioxide or methane, that is thought to trap heat above the Earth and cause the greenhouse effect.

Word Bank

nutritious
toxic
biodiversity
citizen scientists
drought
greenhouse gas
pesticides
sustainable