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8 Sci Freshwater

8th grade Science Freshwater Vocabulary

QuestionAnswer
RUNOFF WATER THAT DOESN'T SOAK INTO THE GROUND OR EVAPORATE BUT INSTEAD FLOWS ACROSS EARTH'S SURFACE.
RILL EROSION TYPE OF SURFACE WATER EROSION CAUSED BY RUNOFF, IN WHICH A SMALL STREAM FORMS DURING A HEAVY RAIN, CARRIES AWAY PLANTS AND SOIL, AND LEAVES A SCAR OR CHANNEL ON THE SIDE OF THE SLOPE.
GULLY EROSION TYPE OF SURFACE WATER EROSION DUE TO RUNOFF THAT OCCURS WHEN A RILL CHANNEL BECOMES BROADER AND DEEPER.
SHEET EROSION TYPE OF SURFACE WATER EROSION DUE TO RUNOFF, IN WHICH RAINWATER FLOWING INTO LOWER ELEVATIONS LOSES ENERGY AND LEAVES BEHIND SEDIMENTS THAT COVER THE SOIL LIKE A SHEET.
DRAINAGE BASIN LAND AREA FROM WHICH A STREAM GETS ITS WATER.
MEANDER CURVE IN THE SIDE OF A STREAM FORMED BY A FAST-MOVING CHANNEL OF DEEP WATER.
FLOODPLAIN BROAD, FLAT VALLEY FLOOR CARVED BY A MEANDERING STREAM; OFTEN BECOMES COVERED BY WATER WHEN A STREAM FLOODS.
STREAM BODY OF WATER THAT HAS A CURRENT.
CONFLUENCE TWO STREAMS THAT COME TOGETHER.
GROUNDWATER WATER THAT SOAKS INTO THE GROUND AND COLLECTS IN THE SMALL SPACES BETWEEN BITS OF ROCK AND SOIL.
PERMEABLE DESCRIBES ROCK AND SOIL THAT HAVE CONNECTING PORE SPACES THROUGH WHICH WATER CAN PASS.
IMPERMEABLE MATERIAL THOUGH WHICH WATER CANNOT PASS.
AQUIFER LAYER OF PERMEABLE ROCK THAT ALLOWS WATER TO MOVE FREELY.
WATER TABLE UPPER SURFACE OF THE ZONE OF SATURATION, WHICH IS THE AREA WHERE ALL THE PORES IN THE ROCK ARE FILLED WITH WATER.
SPRING POINT WHERE THE WATER TABLE MEETS EARTH'S SURFACE AND WATER FLOWS OUT.
GEYSER HOT SPRING THAT ERUPTS PERIODICALLY AND SHOOTS STEAM AND WATER INTO THE AIR.
CAVE UNDERGROUND OPENING THAT IS FORMED WHEN ACIDIC GROUNDWATER MOVES THROUGH CRACKS IN LIMESTONE AND DISSOLVES THE ROCK.
TRIBUTARY THE SMALLER OF TWO STREAMS MEETING AT A CONFLUENCE.
ESTUARY THE MIXTURE OF FRESHWATER AND SALTWATER WHERE A RIVER MEETS THE OCEAN.
POND SMALL BODY OF FRESH WATER THAT USUALLY HAS NO OUTLET AND IS FED BY UNDERGROUND SPRINGS.
LAKE BODY OF FRESH WATER THAT USUALLY HAS A DRAINAGE STREAM OR RIVER.
Created by: smurray817
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