| A | B |
|---|
| metamorphic | rocks formed when heat and pressure change the structure of a rock |
| strip mining | type of mining to get a mineral found in shallow horizontal deposits near the surface |
| polymorphs | minerals with the same chemical composition but diffferent crystalline structure |
| alloy | metals that have been melted and fused with other metals |
| acid mine drainage | this occurs when chemicals leach from abandoned mines and seep into groundwater |
| developed | these nations have high income like the USA |
| Industrial Revolution | a shift from agricultural life to a society powered by fossil fuels |
| air pressure | force exerted by air on the area below it |
| climate | describes the pattern of atmospheric conditions in areas of a long period of time |
| atmosphere | thin layer of gases that surrounds earth |
| conduction | when a candy bar melts in your hand this displays this heat transfer |
| hydrogen | simplest most abundant element in the universe |
| dams | control floods and provide electric power |
| electrolysis | process that breaks water down into the gases of hydrogen and oxygen |
| cleavage | this is displayed by a mineral that splits along a flat surface |
| fracture | this is displayed by a mineral that doesn't break evenly |
| Mohs | scale used to measure hardness of minerals |
| luster | describes how light is reflected off the surface of a mineral |
| windfarm | group of wind turbines |
| well | hole dug into an aquifer to reach groundwater |
| Irrigation | what groundwater is primariy used for |
| night | best time to water your lawn |
| sediment | type of pollution that can result when erosion occurs from clearing land |
| watershed | all the land area tha supplies water to a particular river system |
| springs | when the water table naturally rises to the surface these occur |
