Constructive and Destructive Forces

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water flow.

Front

What is weathering?

Back

Weathering is the breaking down of rocks and minerals into smaller pieces by physical, chemical, or biological processes.

Front

Give an example of erosion but not weathering.

Back

A pebble being rolled along a riverbed.

Front

What is contour plowing?

Back

Contour plowing is a farming practice that follows the natural contours of the land to reduce soil erosion.

Front

What is a levee?

Back

A levee is a structure built to prevent the overflow of water from rivers and protect against flooding.

Front

What is volcanic eruption?

Back

A volcanic eruption is the release of magma, gas, and ash from a volcano, which can create new land.

Front

What can seismographs measure?

Back

Seismographs measure the motion of the ground during an earthquake.

Front

What is the difference between erosion and weathering?

Back

Erosion involves the movement of soil and rock, while weathering is the process of breaking down rocks without movement.

Front

What is terrace farming?

Back

Terrace farming is a method of growing crops on the sides of hills or mountains by creating flat areas, or terraces.

Front

What is glacial movement?

Back

Glacial movement is the slow flow of glaciers, which can shape the landscape by eroding and depositing materials.