Abeka 8th Grade Science: Earth and Space Quiz 10 (4.1 - 4.2)

tributary

A stream or river that flows into a larger river

oxbow lake

U - shaped lake near a river formed by movements of the river's channel

drainage divide

a highland or ridge that separates one watershed from another such as Height of Land Portage

meander

any of the winding, looping curves found in a river on a soft, flat floodplain

ice wedging

mechanical weathering process that occurs when water freezes in the cracks of rocks and expands, causing the rock to break apart

rill

narrow, shallow cuts in the soil

levee

ridge formed when a river drops sediments along the edge of its channel

delta

sediment deposit extending from the mouth of a river into the sea

floodplain

the level or nearly level land that borders a river and is covered by river water in flood time

alluvial fan

triangular deposit formed by short-lived desert streams

chemical weathering

type of weathering that changes the composition of the materials