Spelling Crossword By: Justin Barry

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Across
  1. 3. A bottle that traps heat and cold in the bottle
  2. 4. A tool used for measuring wind speed
  3. 6. A study of a branch of mathematics
  4. 7. The width of a circular object
  5. 8. A metric unit equivalent to 1,000 meters (.62) of a mile
Down
  1. 1. A tool to see microscopic items
  2. 2. A tool used to hear heart rate and beats
  3. 5. A millionth of a meter