STEM Day

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Across
  1. 1. knowledge of the natural and social world
  2. 5. air
  3. 6. electronics
  4. 9. hard
Down
  1. 2. design then build a structure
  2. 3. addition, subtraction, division,
  3. 4. expression or imagination through drawings
  4. 7. water
  5. 8. weight