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7 questions
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- Q1What might happen if water molecules did not have a slight negative charge on one end and a slight positive charge on the other?Water would never become hard or softwater would not be able to freeze or boilWater molecules would not clump together in dropletsOnly saltwater, not freshwater, would exist on Earth30s8.E1.1
- Q2Water is known as the universal solvent. What is the best synonym for "solvent?"A substance that is necessary for lifeA substance that dissolves other substancesA substance that exists as a liquid at room temperatureA substance that's found almost everywhere on Earth30s
- Q3What is one effect of water's "stickiness" or cohesion?the surface tension that forms on lakes and pondsthe currents that form in streams and riversthe salt that forms in ocean waterthe waves you see in lakes and oceans30s
- Q4Which property of water allows water molecules to climb up a tree or glass tube?capillary actioncondensationsolventuniversal solvent30s
- Q5Rami places a straw in her ice water and notices that some of the ice water moves up inside the straw. What property of water causes this to happen?solventcohesiondensityspecific heat30s
- Q6It is a hot, steamy day. You get ready to jump into the pool to find that the water is cool. What property allows for this difference between air temperature and water temperature?specific heatadhesiondensitycapillary action30s
- Q7As you add drops of water to the surface of a coin, each drop sticks to the other water droplet because of ________________, and sticks to the penny because of ______________.specific heat, capillary actioncohesion, adhesionadhesion, cohesioncapillary action, specific heat30s