science fun

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Across
  1. 6. the first letter of this two-letter chemical element is "T"
  2. 7. literally the name of the crossword (this one's easy)
  3. 9. a one-letter chemical element
  4. 11. used to see small things
  5. 12. the place where you do experiments
Down
  1. 1. the 69th element of the periodic table
  2. 2. The first word of the chemical element, "H2O2"
  3. 3. the power house of every cell
  4. 4. this element is necessary for life
  5. 5. this makes up all life
  6. 8. you get many of these from both of your parents
  7. 10. what an animal does every winter