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10 Cards in this Set
- Front
- Back
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density |
the amount of mass in a unit of volume |
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cohesion |
the attraction between water molecules |
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polar molecule |
has a slightly positive end and a slightly negative end because electrons are shared unequally |
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specific heat |
the amount of energy that is needed to raise the temperature of 1 kg of a substance 1℃ |
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irrigation |
piping in water from elsewhere and using it to grow crops |
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water conservation |
the careful use and protection of water |
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groundwater |
water that is held underground in layers of rock and sediment |
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soil water |
the part of the groundwater that is held within openings of the soil |
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aquifer |
a layer of rock or sediment that can yield usable groundwater |
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surface water |
water at Earth’s surface found in streams, rivers, ponds, lakes, and reservoirs |
