AMS SOL 6.5 Word Scramble
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Question | Answer |
density | ratio of mass per unit of volume |
why does ice float? | it is less dense than liquid water |
freezing points of water | 32F and 0C |
boiling points of water | 212F and 100C |
polar molecule | uneven sharing of electrons causes one end to be positive and the other to be negative |
postive end of a water molecule | Hydrogen |
negative end of a water molecule | Oxygen |
cohesion | attraction between water molecules; water sticks to water |
adhesion | water molecules stick to other materials |
surface tension | the tightness across the top surface of water caused by cohesion |
capillary action | allows water to move upward against the force of gravity |
Universal Solvent | nickname for water because it dissolves more substance than any other material |
weathering | rock is broken into smaller peices, sometimes by water |
ice wedging | a form of physical weathering that occurs as a result of pressure on rock from frozen water |
erosion | the movement of rock particles by wind or water |
breakdown of percentages of water on Earth | 97% ocean, 2% fresh but frozen in glaciers, 1% fresh and available to drink |
Uses of water for transportation | boats, ships, barges, aircraft carriers |
uses of water for agriculture | irrigation (watering) crops |
residential uses of water | bathing, cooking, cleaning |
uses of water in industry | cooling off machinery, shipping of products |
Uses of water for recreation | fun things like swimming, surfing, scuba diving |
water as a habitat | home for fish, crabs, seaweed, etc. |
hydroelectric power | the force of moving water is used to turn the turbines connected to the generators at an electrical power plant |
water cycle | water is recyled over and over through evaporation, condensation, precipitation, and transpiration |
transpiration | plants release water vapor from their leaves |
aquifer | a layer of underground rock that holds fresh drinking water |
solution | mixture created when one substance dissolves another |
solvent | part of a solution that does the dissolving |
solute | part of a solution that is being dissolved |
types of chemical weathering | acid rain, dissolving, rusting |
specific heat | the amount of heat need to increase the temperature of a substance by 1 degree Celcius; water has high specific heat |
Created by:
sford
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