However weathering can also be rapid such as the damage to pavements or roads after a cold frosty winter. Causes repeated expansion and contraction 1 Mechanicalphysical weathering 5.
Which Of The Following Is The Best Example Of Physical Weathering A The Cracking Of Rock Caused By The Freezing And Thawing Of Water B The Transportation Of Sediment In A Stream
Weathering can be caused by wind water ice plants gravity and changes in temperature.
. The various mechanical and chemical processes that cause exposed rock to decompose. Weathering is the initial step in soil creation. No change in the rocks chemical composition.
Compare chemical weathering mechanical weathering. Continue taking turns until all example cards are placed below a heading card. The next person flips over another example card and follows the directions in Step 3.
To better understand how the erosion and weathering process works. These include chemical weathering physical weathering biological weathering and mechanical weathering. Weathering is the breaking down of rocks and other materials on the earths surface 3.
A rock is an aggregate of one or more minerals or mineraloids. Think about which term best describes the example on the card. A granite is defined by proportions of quartz alkali feldspar and plagioclase feldspar.
Physical mechanical weathering Mechanical weathering is the application of force to physically fragment rock into smaller pieces called clasts. Weathering happens in four different manners. Agents of mechanical weathering include.
Its most active in the source zone of the sediment cell. Weathering attacks the backshore and foreshore parts of the littoral zone. Weathering breaks down the Earths surface into smaller pieces.
Weathering creates rock fragments that form sediment. TwoTwo Types of Weathering 4. Those pieces are moved in a process called erosion and deposited somewhere else.
Turn over the answer key and check your answers. Other rocks can be defined by relative abundances of key essential minerals. Some rocks such as limestone or quartzite are composed primarily of one mineral calcite or aragonite in the case of limestone and quartz in the latter case.
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