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Science 2.0
vocabulary
| term | definition |
|---|---|
| ground water | fresh water that moves through pores spaces and fractures in soil and rock beneath the land surface |
| sinkhole | circular hole in the ground that forms as the roof of a cave collapses |
| creep | larg particles that roll along the surface by wind |
| deflation | when wind removes finer grains of silt and clay causing the ground surface to subside |
| desert pavement | rock, pebbled surface created as finer silt and clay are removed by wind |
| desert varnish | a dark mineral coating that forms on exposed rock surfaces as wind and clay deposit |
| saltation | find particles are lifted into the air for a short distance and then fall |
| suspension | tiny particles of dirt and dust are lifted into the air where they may remain for days |