Weathering: Processes of Change. Weathering. chemical weathering. mechanical weathering. moving water. erosion. ice. deposition. waves. gravity. wind. glaciers. Acids. abrasion. EQ :. How does weathering occur?. Describe three ways abrasion occurs in nature.
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How does weathering
List three things that cause chemical weathering of rocks.
Describe the similarity in the ways tree roots and ice mechanically weather rock.
Describe five (5) sources of chemical weathering.Weathering
Which of the following things cannot cause mechanical weathering?
Which of the following is a type of frost action?
Which of the following types of chemical weathering causes a karst landscape, such as a cavern?
How do lichens slowly break down a rock?
Which of the following will most likely experience oxidation?
The grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles
Rain, sleet, or snow that contains a high concentration of acids
The process by which rocks break down as a result of chemical reactions
The breakdown of rock into smaller pieces by physical means
A chemical reaction in which an element, such as iron, combines with oxygen to form an oxide
The process by which rock materials are broken down by the action of physical or chemical processes
a. mechanical weathering
d. acid precipitation
f. chemical weatheringQuick Check
What is differential weathering? mechanical action of other rock or sand particles
How does surface area affect the rate of weathering?
How does climate affect the rate of weathering?
Why do mountaintops weather faster than rocks at sea level?Rates of Weathering
1. What three factors determine the rate at which rock weathers?
2. The process by which softer, less weather-resistant rocks wear away and leave harder, more weather-resistant rocks behind is called
A. mechanical weathering
B. chemical weathering
C. differential weathering
D. acid precipitation
3. Weathering takes place
4. Because of a large rock’s volume, it will
5. What is the average weather condition in an area over a long period of time called?
6. Chemical weathering such as oxidation occurs more quickly in a climate that is ___________ and ________________.
7. Weathering occurs faster at high elevations because of
What is soil formed from? mechanical action of other rock or sand particles
What is bedrock
What is humus?
What are soil horizons?From Bedrock to Soil
1.Soil that is blown or washed away from its parent rock mechanical action of other rock or sand particles
2. The layer of rock beneath the soil
3. A rock formation that is the source of mineral fragments in the soil
4. A loose mixture of mineral fragments, organic material, water, and air that can support vegetation
b. transported soil
c. parent rock
d. bedrockQuick Check
Soil quality based on the proportions of soil particles mechanical action of other rock or sand particles
The arrangement of soil particles
Ability of water to move through soil
Soil’s ability to be broken up for farming
a. soil structure
d. soil textureQuick Check
What is soil’s ability to hold nutrients and to supply nutrients to a plant?
What do we call the removal of substances from soil due to water passing through it?
What is the layer of soil that often contains the most humus?
What is soil that has a pH below 7 called?
What is the correct pH for growing plants?
Why is soil important? mechanical action of other rock or sand particles
How can human activity affect soil erosion?
What are three important benefits that soil provides?
List five methods of soil conservation.Soil Conservation