Check Your Facts!

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Across
  1. 1. psychological effect of humans believing the first thing they hear
  2. 5. tiling the plane with 2D shapes without empty spaces or overlaps
  3. 7. the main reason why insects are dying out
  4. 10. the reason for frog rains
  5. 11. something that impacts climate change way more than anything else
Down
  1. 2. the golden ratio
  2. 3. staying home can weaken the _____________ system
  3. 4. the color of mysterious spots on Mercury
  4. 5. quality of water known as surface ___________
  5. 6. milk increases bone _____________
  6. 8. the smartest bird
  7. 9. a plan that communicates with ones of its kind by making clicking sounds