4th Grade Midterm Test

The process of breaking down rocks over a long period of time

• Erosion

• Deposition

• Weathering

• Sediment

The process of moving weathered rock and sediment from one place to another

• Deposition

• Erosion

• Weathering

• Sediment

The movement of sediments and broken-down rock by wind or water

• Deposition

• Erosion

• Sediment

• Weathering

Name 4 agents of weathering

Which landform is known as a large flat area with few trees.

• Valley

• Plain

• Mountain

• Canyon

Which landform can be formed by a glacier coming down a mountain

• Arch

• Valley

• Plain

• Canyon

A smaller version of a mountain is

What do we call a huge sheet of ice

Soil is made up of

• Dead Plants &

  Animals

• Rocks, Minerals, Humus

• Dead Plants & Animals, Rocks, Minerals, Humus, and Sediments

• None of the Above

The 3 layers of soil are

• Topsoil, Middle Soil, Bottom Soil

• Topsoil, Subsoil, Bottom Soil

• Topsoil, Subsoil, Bedrock

• Topsoil Middle Soil, Bedrock