Our World of Water
Glossary
| acre |
a parcel of land containing 43,560 square feet or an area approximately the size of a football field. |
| acidic |
acting like an acid. |
| aquifer |
a formation that readily yields water. |
| atom |
the smallest unit of an element that still retains all the characteristics of that element. |
| bedrock |
solid rock that underlies all soil or loose rock material. |
| bonded |
the joining of atoms caused by differences in their electrical charges. |
| conductor |
a substance that will permit an electrical charge to pass through it. |
| conservation tillage |
plowing and cultivating practices designed to reduce soil erosion. |
| droplets |
tiny drops of water. |
evaporates
evaporation |
to change into a vapor. |
| fractures |
cracks or breaks in geological formations. |
| heat capacity |
amount of heat a substance will absorb until it starts to increase its temperature. |
| hydrologic cycle |
total of all the processes that cause water to move above, on, or inside of the earth. |
infiltrates
infiltration |
to pass into something through pores or cracks. |
| limestone |
a sedimentary rock consisting chiefly of calcium carbonate (lime). |
| minerals |
naturally occurring crystalline substances that are the basic components of rock materials. |
| molecule |
stable arrangement of atoms that are bonded together. |
| nutrients |
substances that are necessary for life. |
| saturated |
to be filled to capacity. |
| solute |
a substance that is dissolved by a solvent. |
| solution |
a mixture formed by a solvent and one or more solutes. |
| transpired |
to be given off in vapor form. |
| transpiration |
the process of discharging vapor or waste through the pores of plants. |
| vapor |
the gaseous form of a substance. |
« R E T U R N »
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