How can moving water contribute to physical weathering?(1 point)
Responses
It can make rocks expand and contract.
It can make rocks expand and contract.
It can transport rocks to different locations.
It can transport rocks to different locations.
It can cause the formation of new minerals in rocks.
It can cause the formation of new minerals in rocks.
It can cause rocks to bump against each other.
It can cause rocks to bump against each other.
All of the above responses are correct. Moving water can contribute to physical weathering in several ways.
1. It can make rocks expand and contract: When water enters cracks or pores in rocks and then freezes, it expands. The expansion of freezing water can put pressure on the rock, causing it to crack or fracture.
2. It can transport rocks to different locations: Moving water, such as flowing rivers or ocean waves, can pick up and carry rocks or sediments. As the rocks are transported, they can collide with other rocks or stream beds, causing them to break into smaller pieces.
3. It can cause the formation of new minerals in rocks: The flow of water can dissolve minerals from rocks and carry them away. When the water evaporates or flows into another location, these dissolved minerals can crystallize and form new minerals, which can further contribute to the physical weathering of rocks.
4. It can cause rocks to bump against each other: Water movement can cause rocks to collide with each other, leading to abrasion and wearing away of the rock surfaces. This can result in the disintegration of the rocks into smaller fragments.
Moving water can contribute to physical weathering in several ways:
1. It can make rocks expand and contract: When water gets into cracks and pores in rocks and then freezes, it expands. This expansion puts pressure on the rocks and can cause them to crack or break apart.
2. It can transport rocks to different locations: Water can carry rocks and sediment downstream, especially during periods of high flow. This movement can cause rocks to collide with one another or with other surfaces, leading to abrasion and erosion.
3. It can cause the formation of new minerals in rocks: Through a process called hydrolysis, water can react with minerals in rocks and cause chemical changes. This chemical weathering can lead to the formation of new minerals, which can make the rocks weaker and more susceptible to physical weathering.
4. It can cause rocks to bump against each other: As water flows over rocks, it can create turbulence and currents that cause rocks to collide or bump against each other. This repeated impact can result in the breaking off of small fragments from the rocks, a process known as attrition.
Overall, the movement of water can contribute to the physical weathering of rocks by exerting pressure, transporting rocks, causing chemical changes, and promoting the abrasion and fragmentation of rocks.
Moving water can contribute to physical weathering through various processes. One way is by making rocks expand and contract. When water seeps into the cracks and pores of rocks and freezes, it expands, putting pressure on the surrounding rock material. As a result, the rock may crack or break apart, leading to physical weathering.
Moving water can also transport rocks to different locations. As water flows, it can pick up loose rock fragments and carry them downstream or in other directions. The force of the moving water can cause these rocks to collide with each other or with other surfaces, leading to abrasion and further weathering.
Furthermore, the turbulence and energy of moving water can cause rocks to bump against each other. As rocks are carried downstream by a river or stream, they can collide and rub against each other, resulting in the breakdown of rock materials and the eventual formation of smaller fragments.
In addition to these mechanical processes, moving water can also cause the formation of new minerals in rocks. As water flows over and through rocks, it can carry dissolved mineral ions. When these ions come into contact with certain rock materials, they can react and form new minerals, leading to physical changes in the rock structure.
To summarize, moving water can contribute to physical weathering by causing rocks to expand and contract, transporting rocks to different locations, causing rocks to collide and rub against each other, and facilitating the formation of new minerals in rocks.