Alex

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Across
  1. 3. a small measurement
  2. 4. the study of myths
  3. 10. The distance between the edges of a circle
  4. 13. measures the heat levels
  5. 14. Keeps your food warm
  6. 16. the study of economy
  7. 17. Someone telling the future using stars
  8. 18. a tool so you can hear your heartbeat
Down
  1. 1. the length around a space
  2. 2. the study of animals
  3. 5. opposite of an air conditioner
  4. 6. Makes things far away seem closer
  5. 7. a large measurement
  6. 8. Submarine looker
  7. 9. around the world
  8. 11. measures the speed of something
  9. 12. makes something really big
  10. 15. measures air pressure