Which process plays an important role in water cycle?
The water cycle consists of three major processes: evaporation, condensation, and precipitation. Evaporation is the process of a liquid’s surface changing to a gas. In the water cycle, liquid water (in the ocean, lakes, or rivers) evaporates and becomes water vapor.
Which part of the water cycle are caused by the force of gravity?
Most precipitation falls back into the oceans or onto land, where, due to gravity, the precipitation flows over the ground as surface runoff.
What’s the difference between the water cycle and convection?
The water cycle deals with the evaporation of water. Convection deals with heat rising and mixing with moisture from the clouds. Convection is motions in a fluid that convey and combine the properties of the fluid. The properties of the fluid could be moisture and/or heat. Convection can cause thunderstorms.
How does convection help in the transfer of heat?
Convection plays an important role in heat transfer inside this pot of water. Once conducted to the inside, heat transfer to other parts of the pot is mostly by convection. The hotter water expands, decreases in density, and rises to transfer heat to other regions of the water, while colder water sinks to the bottom. This process keeps repeating.
Which is the best example of atmospheric convection?
Before we delve into atmospheric convection, let’s look at an example you may be more familiar with—a boiling pot of water. When water boils, hot water in the bottom of the pot rises to the surface, leading to bubbles of heated water and sometimes steam on the surface.
How are water molecules affected by convection currents?
These hot water molecules residing near to heat source tend to become less dense. They rise above cooler dense molecules. As these hotter molecules rise they tend to cool down and begin to sink replacing cooler molecules. These movements occurring within this boiling water what the convection currents.