Ecosystems and Sound

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Across
  1. 3. – What is an example of a microorganism?
  2. 5. – Where can sound NOT travel?
  3. 6. – What forms when magma reaches the Earth's surface?
  4. 7. – How does sound travel?
  5. 10. – What is the Earth's outermost layer called?
  6. 12. – What pesticide is used to kill mosquitoes?
  7. 14. – What type of mountains are formed by plate collisions?
  8. 15. – What natural disaster is caused by sudden movements of tectonic plates?
Down
  1. 1. – What is created when sound is reflected?
  2. 2. – What breaks down dead plants and animals in a food chain?
  3. 4. – What disease is spread by mosquito bites?
  4. 8. – What causes sound to be produced?
  5. 9. – What evidence supports the theory of continental drift?
  6. 11. – In which state of matter does sound travel the fastest?
  7. 13. – What do we call a tiny living thing too small to see without a microscope?