Atoms, Life, and Water

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Across
  1. 5. a positively or negatively charged atom
  2. 6. Imaginary film on water is surface _____
  3. 9. Subatomic particle with negative charge
  4. 10. Water is known as the universal _____
  5. 13. Maintenance of an organism's internal env't
  6. 15. Subatomic particle with a neutral charge
  7. 16. When water sticks to other substances
  8. 17. Smallest unit of organization for life
  9. 19. Type of bond between two different water molecules
Down
  1. 1. When water molecules stick to more water molecules
  2. 2. _____ electrons are available for bonding
  3. 3. Subatomic particle with positive charge
  4. 4. Type of bond when electrons are shared
  5. 7. Water has a high heat of _____
  6. 8. Organisms adjust in response to a _____
  7. 11. Water is a _____ molecule due to its charged ends
  8. 12. This action allows water to climb plant roots
  9. 14. Type of bond when electrons are gained/lost
  10. 18. Organisms have the ability to _____ and develop