| A | B |
|---|
| Density | the amount of mass in a unit of volume; how heavy it is for its size |
| Polar Molecule | act similar to tiny magnets, attracting other molecules |
| Surface Water | Lakes, Stream, Ponds, Rivers |
| Groundwater | water that is held underground in layers of rock and sediment |
| Irrigation | Piping in water from elsewhere and using it to grow crops |
| Cohesion | the attraction among water molecules |
| Specific Heat | the amount of energy that is needed to raise the temperature of 1 kg of a substance 1 degree C |
| Water Conservation | the careful use and protection of water |
| Soil Water | part of groundwater that is held within openings in the soil |
| aquifer | layer of rock or sediment that has enough well-connected openings to allow groundwater to flow through it |
| Fusion | energy that changes water from a SOLID TO A LIQUID |
| Vaporization | energy that changes water from a LIQUID TO A GAS |
| Universal Solvent | water is called this because it dissolves more things than any other liquid |
