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10 Cards in this Set
- Front
- Back
Purification
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Filtration
Dilstillation - boil water, trap +c condense the steam Reverse Osmosis - filter using semi-permeable membrane Evaporation - water cycle, tent & drop |
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Pollution
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Ground Water - leaks from humans - eg. waste heaps
Surface Water - runoff + spills - eg. fertilization, animal waste - algae blooms Agriculture - fertilizers/pesticides Forestry - soil erosion + trimmings Water Treatment - warmer - eg. sewage (London UK) |
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Quality
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1. Hardness
2. Salinity - how much salt is in the water 3. Microbial - bacteria - eg. e.coli and eg. giardia 4. Potable - consumable safely by humans - 0.003% |
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Distribution: Frozen
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ice caps
glaciers |
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Distribution: Salt
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Tides - gravitational pull of moon + sun
Currents - move water & push + rotation Waves - go up and down Oceans - deep seas, open ocean, coast |
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Distribution: Fresh
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3%
Lakes Ponds |
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Distribution: Fresh - Moving
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Streams - changing environment
Rivers - change landscape - organisms have adaptations |
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Geology: Climate
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different climates
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Geology: Water Sheds
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Water shed - drainage basin for rivers & lakes
Erosion Deposition - delta, estuary |
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Geology: Retreating Glaciers
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Features
1. Erratic *need to know* 2. Kettle Lakes 3. Drumlins - perpendicular hills 4. Morraines - valleys between 5. Eskers - snaky hills |