Weathering & Erosion

Runoff is _______ that moves over Earth's surface

• mud

• water

• waves

• snow

The flat wide area of land along a river is a

• valley

• delta

• flood plain

• meander

What is a large groove, or channel, in the soil that carries runoff?

• mudflow

• stream

• ditch

• gully

A __________is a meander that is cut off from the river by deposition of sediment

• delta

• oxbow lake

• river

• flood plain

The amount of sediment that a river carries is called its _________

• strength

• deposition

• load

• volume

Weathering is a process of

• moving sediment from one place to another

• dropping or leaving sediment in a location

• breaking down rocks into sediment

There are two types of weathering, they are_____

• wind and rain

• erosion and deposition

• mechanical & chemical

• jackhammering and squeezing

When a stream curves, in what part of the stream does the water flow the slowest?

• the middle area

• the inside area

• the outside area

• no area

Erosion forms cliffs called ________ along the edge of a flood plain.

• valleys

• bluffs

• mountains

Rainwater enters the cracks of a rock, freeze and causes the rock to break is an example of ________

• erosion

• chemical weathering

• erosion

• mechanical weathering