Name:_________________ Date:____________ Period:____ WS 2.1- Waters Polarity 1. What makes earth unique among all the planets in the solar system that we know about? 2. If there are 600 atoms of Hydrogen in a glass of water, how many atoms of Oxygen are in that water? 3. Explain why the oxygen atom in water has a slight negative charge. 4. What is the name of the bond formed between water molecules? 5. Finnish the following analogy to help explain the way water molecules stick together Water molecules stick together like magnets. Though the oxygen of one water molecule ___________ to the Hydrogen of another water molecule, if two oxygen’s come near each other they will ____________ and if two hydrogen’s come near each other they will __________. 6. Explain why the two pictures below are incorrect: 7. What heats up faster, a sandy beach or the ocean? 8. Are the ocean’s or sandy beaches’ molecules vibrating faster? 9. Would Hydrogen bonding in water stop molecules from vibrating? 10. Would it be hard or easy to swim through a thick liquid like syrup or cement? 11. Would hydrogen bonding increase or decrease the thickness of water? 12. What happens to waters volume as it turns to ice? 13. Does most matter increase or decrease in volume when liquid to solid?