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Which of theses can cause the expansion and contraction of rocks due to weathering?
Wiki User
∙ 9y ago
Warming during the day, will expand the rock. Freezing during the night, will contract the rock.
Wiki User
∙ 9y ago
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What is isolation weathering?
Expansion of rock surgaces heated by the Sun followed by contraction as the temperature falls can allegedly weaken bonds along grain boundaries and cause subsequent flaking off of rock fragments or dislodging of mineral grains. that's isolation weathering.
What are factors that cause physical weathering?
factors that cause weathering are erosion and water
What is the largest cause in weathering and erosion?
Moving water is the biggest cause of weathering and erosion.
Can weathering cause the building process of mountains?
Weathering is the cause of mountains wearing away.
Do plant roots cause mechanical weathering?
Plant roots cause Biological weathering which is indeed Mechanical in its nature. Animals burrowing is also a cause of Biological weathering.
What are the effects of expansion and contraction?
Expansion and contraction can cause things to crack, as in the weathering of rock. They can cause a bi-metal strip to bend and straighten, which phenomenon is used in some thermostats. Expansion can cause the roadway of a bridge to buckle, so gaps have to be left. Obviously they cause the thread in a liquid-in-glass thermometer to get longer and shorter.
What cause mechanical weathering?
Mechanical weathering breaks rock into pieces by freezing and thawing,release of pressure, growth of plants, action of animals, and abrasion
Do you agree that expansion and contraction only cause problems?
No, we use expansion and contraction to tell temperature(thermometer).
How does large variations between day and night temperatures cause weathering?
During the warm day, things expand from the increased heat. During the cold night, things contract as heat is lost. This process of expansion and contraction creates cracks and other stress points that cause weathering.Hence the temperatures cause weathering. Note: There are few substances that this expansion and contraction can be seen with the naked eye, but even the minute changes cause weathering, and when substances like water get into the microscopic cracks then freeze, it magnifies the effects as water expands when it freezes while other substances contract when they cool down.
What are some ways expansion and contraction could cause safety hazards?
If memory serves me, expansion and contraction can cause stress cracks in many materials, due to breakdown of molecules in the material.
What is isolation weathering?
Expansion of rock surgaces heated by the Sun followed by contraction as the temperature falls can allegedly weaken bonds along grain boundaries and cause subsequent flaking off of rock fragments or dislodging of mineral grains. that's isolation weathering.
Could expansion or contraction cause problems?
Yes, expansion or contraction of materials can cause problems in structures, particularly if they are not accommodated for in the design. If expansion or contraction occurs unevenly or is not properly controlled, it can lead to issues such as warping, cracking, or failure of the structure. Proper planning and use of materials that can accommodate thermal expansion and contraction is important to avoid these problems.
Could expansion when a substance is heated or contraction when a substance is coooled cause problems?
Yes, the thermal expansion is very important in physics and technology.
How does water in the spaces of a limestone cause physical weathering of the limestone?
Water in the spaces of limestone can cause physical weathering through a process called freeze-thaw. When water seeps into the cracks and pores of the limestone, it freezes and expands upon freezing, exerting pressure on the surrounding rock. This expansion and contraction cycle weakens the limestone, causing it to crack and break apart over time.
Do acids cause mechanical weathering?
No, acids cause chemical weathering.
Is water a cause of physical weathering or chemical weathering?
It is a cause of both.
What are factors that cause physical weathering?
factors that cause weathering are erosion and water
