Science Crossword 1

123456789101112131415161718192021
Across
  1. 3. addictive substance in cigarettes
  2. 5. someone addicted to alcohol
  3. 7. against the law
  4. 11. only metal liquid at room temperature
  5. 12. neutral charge in an atom
  6. 14. nutrient that gives you energy
  7. 17. small air sacks
  8. 18. ingredient in alcoholic beverages
  9. 20. air travels into these
  10. 21. organ responsible for thinking
Down
  1. 1. organ that stores food
  2. 2. This table has all the elements
  3. 4. sound needs this to travel
  4. 6. A chemical in a swimming pool
  5. 8. positive charge in an atom
  6. 9. nutrient that builds muscle
  7. 10. how sound travels
  8. 13. Group 7 on the periodic table
  9. 15. pumps blood around the body
  10. 16. negative charge in an atom
  11. 19. gas used to fill party balloons