| A | B |
| high surface tension | 50 drops of water fit on a penny |
| water expands on freezing | frost kills skin/plants |
| water boils in a paper cup | thermal conductivity |
| salt dissolves in water | universal solvent |
| fish do not freeze in winter | water freezes from the top down |
| ice floats | ice is less dense than water |
| sweating is good | evaporative coolant |
| The Atlantic Ocean is cold in June. | high specific heat |
| salt | nonpoint from irrigation stunts growth |
| toxic substances | point, can cause cancer, from mercury, lead, PCB from factories |
| Effects: clouds water, kills fish, non-point | sediment(dirt) |
| organic wastes | point, comes from spewage, paper mills, food processers |
| acids | point, comes from minning industry, kills fish |
| What pollutant causes Disease and is a point source, and caused by human + animal wastes? | Bacteria + Viruses |
| Nutrients | non-point, caused by nitrogen from farms + phospurus from detergents, causes excess algae growth and decreased oxygen |
| What pollutant is both point and non-point and coats and kills animals, that comes from spills? | oil and grease |
| Heat pollution | point, decreases oxygen, caused by industries, cooling processes |
| Radioactivity | point, causes cancer, is caused by medical and nuclear waste |
| evaporation | sun turns liquid water to water vapor |
| Transpiration | plants release water at night (dew) |
| Respiration | animals release water when they breathe |
| condensation | water vapor forms clouds |
| precipatation | water falls to earth, rain, sleet, snow, etc. |
| percolation | to ground water, water table |
| porosity | the amount of open space between particles |
| permiability | the connection of air spaces |
| covalent bonds | hold hydrogen together |
| hydrogen bonds | holds 2 water molecules to each other |
| water boils at.... | 100 degrees celcius |
| water freezes at.... | zero degrees celcius |
| universal solvent | dissolves stuff |
| ice is ____ dense than water | less |
| water ______ when it freezes | expands |
| thermal conductivity | absorbs heat |
| evaporative coolant | as water evaporates, it takes heat with it. |
| water has a......surface tension | high |
| sticks to itself | cohesive |
| sticks to other things | adhesive |
| great lakes | Huron,Ontario, Michigan, Erie, Superior |
| problems in great lakes | bithotrephies, lamprey, zebra mussels |