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?
M
e
n
u