For a convection cell to be set up in a fluid, it must be heated from below and be able to radiate heat from the top. Convection cells occur when a particular packet of fluid becomes trapped in a cycle of heating and coo... More » Science Chemistry

A plant cell is the structural and functional unit of a plant. Plant cells generally form several different colonies in order to become a higher functioning organism. More » Science Biology Cells

Having a "sickle cell trait" means that a person has inherited the sickle cell gene from one parent. This differs from sickle cell disease, in which a person inherits the gene from both parents, notes WebMD. People with ... More » Health Conditions & Diseases
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Common examples of convection include the boiling of water where bubbles become visible at the top, drinking coffee where steam rises upwards, using a fan to cool off the body and heating a room during the cold season. C... More » Science Chemistry

Convection is the heat transfer due to the motion of a fluid, such as a gas or liquid, that carries heat energy away from a heat source. Conduction instead occurs between materials in contact with each other without any ... More » Science Physics Electricity

Mantle conviction is the process in which heat is transferred from the Earth's core to its surface; heat is released from the core and rises, causing temperature fluctuation where the excess temperature from the hot magm... More » Science Earth Science Layers of the Earth

Water displacement can be explained by the law of buoyancy, which states when an object is immersed in a fluid that has a greater density than the object itself, the level of the fluid will rise. To calculate the amount ... More » Science Chemistry