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Unit 6 vocab
Natural Disasters / Rock Stuff
16
Science
7th Grade
12/01/2011

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Term
CATASTROPHIC EVENT
Definition
DISASTROUS INCIDENT, A VIOLENT USUALLY DESTRUCTIVE NATURAL OCCURANCE
Term
CHEMICAL WEATHERING
Definition
THE CHEMICAL BREAK DOWN OF ROCKS AND MINERALS INTO NEW SUBSTANCES
Term
DEPOSITION
Definition
THE PRCOESS BY WHICH ERODED MATERIALS ARE OUT SOMEWHERE ELSE- USUALLY CARRIED BY WIND/WATER
Term
DIFFERENTIAL WEATHERING
Definition
THE PROCESS BY WHICH SOFTER, LESS WEATHER RESISTANT ROCKS WEAR AWAY & LEAVE HARDER MORE WEATHER RESISTANT ROCKS IN THEIR PLACE
Term
HURRICANE
Definition
A SEVERE TROPICAL CYCLONE USUALLY WITH HEAVY RAINS & VERY HIGH RAINS
Term
MECHANICAL WEATHERING
Definition
THE BREAKDOWN OF ROCK INTO SMALLER PIECES BY PHYSICAL MEANS
Term
NON-POINT SOURCE POLLUTION
Definition
POLLUTION OF THE WATER FROM A GENERAL AREA SUCH AS RUNOFF FROM FARMLAND OF SUBURBAN COMMUNITIES-DONT KNOW SOURCE
Term
POINT SOURCE POLLUTION
Definition
SOURCES OF WATER POLLUTION WHICH CAN BE TRACED TO A SPECIFIC PLACE/ LOCATION
Term
EARTHQUAKE
Definition
THE SHAKING OF THE EARTH'S SURFACE CAUSED BY MOVEMENT ALONG A FAULT
Term
EROSION
Definition
THE PROCESS BY WHICH WIND AND WATER MOVE SOIL AND SEDIMENT FROM 1 PLACE TO ANOTHER
Term
FLOOD
Definition
THE RISING OF A BODY OF WATER AND ITS OVERFLOWING ONTO NORMALLY DRY LAND
Term
GROUND WATER
Definition
UNDERGROUND WATER THAT IS HELD IN THE SOIL AND IN POROUS ROCK
Term
SURFACE WATER
Definition
WATER COLLECTING ON THE GROUND OR IN A STREAM, RIVER, LAKE, WETLAND, OR OCEAN
Term
VOLCANO
Definition
AN OPENING/RUPTURE IN A PLANETS SURFACE/ CRUST WHICH ALLOWS HOT MAGMA, ASH, OR GASES TO ESCAPE FROM BELOW THE SURFACE
Term
WATERSHED
Definition
THE AREA OF LAND WHERE ALL OF THE WATER THAT IS UNDER IT OR DRAINS OFF OF IT GOES INTO THE SAME PLACE
Term
WEATHERING
Definition
THE BREAKDOWN OF ROCKS INTO SMALLER AND SMALLER PIECES BY MECHANICAL OR CHEMICAL MEANS
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