Vocabulary Chapter 11: Weathering and Erosion – Flashcards
Unlock all answers in this set
Unlock answersquestion
marine
answer
of or pertaining to the sea; existing in or produced by the sea, estuaries and many zones
question
inner core
answer
the core of the Earth; very hot; solid
question
outer core
answer
the second layer of the Earth
question
mantle
answer
the third layer of the Earth
question
crust
answer
the outside shell of the Earth; oceanic and continental
question
weathering
answer
the chemical and physical processes that break down rock at Earth's surface
question
mechanical weathering
answer
the type of weathering in which rock is broken into small pieces
question
chemical weathering
answer
the process that breaks down rock through chemical changes
question
ice wedging
answer
the process that splits rock when water seeps into cracks, then freezes and expands
question
acid rain
answer
rain that is more acidic than normal, caused by the release of molecules of sulfur dioxide and nitrogen oxide into the air
question
soil
answer
the loose, weathered material on Earth's surface in which plants can grow
question
bedrock
answer
the solid layer of rock beneath the soil
question
erosion
answer
the process by which water, ice, wind, or gravity moves fragments of rock and soil
question
sediment
answer
small, solid particles of material from rocks or organisms that are moved by water of wind, resulting in erosion and deposition
question
deposition
answer
the process by which sediments settle out of the water or wind that is carrying it and is deposited in a new area
question
gully
answer
a large channel in soil formed by erosion
question
stream
answer
a channel through which water is continually flowing downhill
question
river
answer
a large stream
question
runoff
answer
water that flows over the ground surface rather than soaking into the ground
question
glacier
answer
a huge mass of ice that moves slowly over land
question
beach
answer
wave-washed sediment along a coast
question
sand dune
answer
a deposit of wind-blown sand
question
mass movement
answer
any one of several processes by which gravity moves sediment downhill