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Science: Weathering

Rock Weathering

What is the process by which natrual forces break down rocks? Weathering
What the process in which something is worn down by rubbing one object or surface against another? Abrasion
What is the main cause of chemical weathering? Water
What is the A Horizon also known as? Topsoil
What is the movement of rock particles by wind,water,ice or gravity? Erosion
What is the process that breaks down rock through chemical changes? Chemical Weathering
What is the process in which rock is physically broken into smaller pieces? Mechanical Weathering
What is process in which water seeps into rock,freezes and then expands? Ice Wedging
What is the grinding away of rock by other rock particles? Abrasion
What two forces can cause rust on some rock? Water and Oxygen
Acid Rain,water,carbon dioxide,living organisms and oxygen are all agents of what type of weathering? Chemical Weathering
Freezing and thawing,heating and cooling,plant growth,animal action and abrasion all types of what type of weathering? Mechanical Weathering
The C horizon is mostly made up of what type of rock? Clay
What is a rock that is full of air spaces that allow water to seep through? Permeable
Created by: austinaugust