Table of Contents
What are three examples of chemical weathering explain them?
Types of Chemical Weathering
- Hydrolysis: This process is just the breaking apart of molecules by water molecules.
- Hydration: This is the addition of hydrogen, a very abundant molecule thanks to the abundance of water of Earth.
- Carbonation: Carbonic acid is a weak acid formed from carbon dioxide and water:
What are 4 examples of mechanical weathering?
Examples of mechanical weathering include frost and salt wedging, unloading and exfoliation, water and wind abrasion, impacts and collisions, and biological actions. All of these processes break rocks into smaller pieces without changing the physical composition of the rock.
What are some examples of physical and chemical weathering?
Physical, or mechanical, weathering happens when rock is broken through the force of another substance on the rock such as ice, running water, wind, rapid heating/cooling, or plant growth. Chemical weathering occurs when reactions between rock and another substance dissolve the rock, causing parts of it to fall away.
Is rust an example of chemical weathering?
Oxidation is another kind of chemical weathering that occurs when oxygen combines with another substance and creates compounds called oxides. Rust, for example, is iron oxide.
What are 4 examples of erosion?
Rain, rivers, floods, lakes, and the ocean carry away bits of soil and sand and slowly wash away the sediment. Rainfall produces four types of soil erosion: splash erosion, sheet erosion, rill erosion, and gully erosion.
What are the 10 types of weathering?
Types of Mechanical Weathering
- Frost Wedging or Freeze-Thaw. ••• Water expands by 9 percent when it freezes into ice.
- Crystal Formation or Salt Wedging. ••• Crystal formation cracks rock in a similar way.
- Unloading and Exfoliation. •••
- Thermal Expansion and Contraction. •••
- Rock Abrasion. •••
- Gravitational Impact. •••
What are the 5 main types of mechanical weathering?
There are five major types of mechanical weathering: thermal expansion, frost weathering, exfoliation, abrasion, and salt crystal growth.
What is the difference physical and chemical weathering?