weathering
the breakdown of rock material by physical or chemical
weathering
process by which sediment moved from one place to another
erosion
removal of fine sediment by wind
deflation
a region of increased elevation that rises to a peak
mountain
a well supported explanation about the natural world
theory
rocks get smaller without change to composition
physical weathering
an area of shoreline that is made up of material deposited by waves and currents
beach
mounds of wind deposited sand
dunes
a large natural stream of water that flows into an ocean or a lake
river
representation of something in the natural world
model
rocks broken down by other rocks
abraision
process of eroded material is dropped
deposition
thick deposits of wind blown fine grained sediment
loess
a large glacier that covers a large area
ice sheet
an organized procedure to study something under controlled conditions
experiment
chemicals combine with oxygen
oxidation
layers of deposited sediment forming a flat area
floodplain
a large mass of moving ice
glacier
a body of fresh or salt water surrounded by land
lake
a factor that can change in an experiment
variable
burned fossil fuels and other chemicals combine with water
acid precipitation
water located within the rocks below Earth's surface
groundwater
a rapid mass movement of material downslope
landslide
a hole in the ground caused by collapse of underground cavern
sinkhole
a testable idea or explanation that leads to scientific investigation
hypothesis