Weathering
Soil
Mass Movement
Chemical Weathering
Mechanical Weathering

100

These are the two main types of weathering.
What are chemical and mechanical weathering?

100

The bottom layer of soil.
What is the bedrock?

100

The mass movement that occurs the fastest.
What is a landslide?

100

Transformation of rock into one rock or more new compounds .
What is chemical weathering ?

100

Two types of mechanical weathering.
What are release of pressure, water, wind, ice, abrasion, freezing/thawing, and actions of animals?

200

Weathering is the break down of Earth's surface by wind, water, or _________.
What is ice?

200

The A horizon is also known as this.
What is topsoil?

200

The type of mass movement known for "bending" trees.
What is creep?

200

The product of oxidation (comination of iron and oxygen in the presence of water).
What is rust?

200

Name one way in which water can cause mechanical weathering.
Answers will vary.

300

This type of weathering can be described as the break down of rocks into smaller pieces.
What is mechanical weathering?

300

The dark-colored substance that forms as plant and animal remains decay.
What is humus?

300

The 4 main types of mass movement.
What are landslide, mudflow, slump, and creep?

300

The most important cause of chemical weathering.
What is water?

300

The mechanical breakup of rock caused by the expansion of freezing water in cracks and crevices (Freeze -Thaw Cycle )
What is ice wedging?

400

Roots splitting open a crack in the ground is an example of which type of weathering?
What is mechanical weathering?

400

The technique used when farmers plow their fields along the curves of a slope.
What is contour plowing?

400

This is the force behind all mass movement.
What is gravity?

400

The rain that, over time, can chemically weather a statue.
What is acid rain?

400

The Grand Canyon is an example of weathering by this agent over a great period of time.
What is water.

500

Transformation of rock into one or more new minerals.
What is chemical weathering?

500

Organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals.
What are decomposers?

500

In this type of mass movement, the mass of soil/rock moves downhill in one large mass.
What is slump?

500

Lichens- plantlike organisms that grow on rocks- produce weak _________ that chemically weather rock.
What are acids?

500

This refers to the grinding away of rock by rock particles carried by water, ice, wind, or gravity.
What is abrasion?