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This is an example of convection heat transfer. The sun heats up the sand, causing it to become hot. The air above the sand then also heats up, becomes less dense, and rises, creating an updraft that lifts the kite.

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1y ago

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What Factors that help determine whether a beach is sandy or pebbly?

Several factors can determine whether a beach is sandy or pebbly, including the type of nearby geological formations, wave action and currents, the size of sediment particles, and the level of erosion. Sandy beaches often form from the gradual erosion and deposition of larger particles, while pebbly beaches tend to have more coarse sediments that resist breaking down into finer grains.


Why does the formation of a beach depend upon constructive waves?

Constructive waves deposit sediment carried by the waves onto the shore, gradually building up the beach. As the waves break, they lose energy, which causes them to drop sand and other materials they were carrying. Over time, this accumulation of sediment creates the characteristic sandy beach found in coastal areas.


Can sand reflect light?

Sand particles are usually not reflective enough to reflect light significantly on their own. However, when the sun's rays hit a sandy beach, the light can be scattered and reflected from the surface of the sand, creating a bright and sometimes blinding effect.


Why is there sand in your washing machine?

Sand in the washing machine can come from a variety of sources, such as sandy clothes, beach towels, or even pockets of clothing. To prevent this, shake out sandy items before washing and consider using a laundry bag for items that may contain sand. Regularly cleaning the washing machine filter or drain pump can help remove any sand that gets through.


What is the dry sand density and how does it affect the stability of structures built on sandy terrain?

The dry sand density refers to the mass of sand per unit volume when it is not saturated with water. It affects the stability of structures built on sandy terrain because denser sand can provide better support and stability for the structures. Structures built on sand with higher density are less likely to settle or shift, reducing the risk of structural failure.