slow changes to earth

features on the earth's surface, changed by wind, water, and ice.

• landforms

• weathering

• erosion

• sediments

wind, water and ice

• landforms

• 3 agents of change

• deposition

• sediments

tiny pieces of rock and other inorganic matter, loose materials such as grain and rock fragments, ex: sand, mud, silt, sea shells

• ice/frost wedging

• sand dune

• sediments

• delta

weathering caused when water enters cracks in the rocks, freezes, expands and breaks rocks.

• sand dune

• delta

• canyon

• ice/frost wedging

Lakes and valleys can be formed by _____.

• deltas

• glaciers

• erosion of sand

• waves crashing

Fossil fuels are formed when dead plants and animals undergo ____ over many years.

• heat and pressure

• heat

• pressure

• none of the above

The creation of a delta is an example of _____.

• erosion

• a landform

• weathering

• deposition

An example of a slow change to Earth's surface is _____.

• a volcano erupting

• a landslide

• a glacier creating a valley

• an earthquake

Pick one SLOW change to earth's surface and type what happens here:

A wide U-shaped valley is shown in the photograph. This valley was most likely formed by-- (5.7B)

• flash flooding

• a glacier

• a hurricane

• melting snow