By definition convection is the direct contact transfer of heat. Convection is the wavy air above car exhaust.
conduction takes place in solids while convection takes place in liquids and gas.
convection means when something is heated it expands or conducts eg. metal is heated it contracts when it is cooled it contracts.
Convection and conduction are both means of heat transfer involving materials.Convection usually occurs in liquids and gases. Heated parts of these materials expand and become less dense. Pressure from the cooler, less light parts (due to gravity) pushes the lighter heated parts upwards. Near the surface , these cool, sink and circulate upwards again when heated.Conduction can occur in all substances but most efficiently in solids like metals where the particles are close together. If the particles in one part vibrate more when heated to a higher temperature, this vibration is passed along through the material. Conduction can occur in any direction but always from the hottest towards the coolest parts.
Compare and contrast the movement of electric charge in a solution with the transfer of electric charge between solid objects?
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Convection, radiation, and conduction are the 3 types of heat transfer... Compare They all transfer heat from a hotter mass to a cooler mass. Contrast Conduction transfers heat through solids. Convection transfers heat through liquids and gases. Radiation transfers heat through electromagnetic waves.
conduction takes place in solids while convection takes place in liquids and gas.
Electrical and heat conduction is much greater in metals than in non metals.
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Because of atmosphere
it is bigger, much bigger. The atmosphere is different because of the gases that compose it.
The hydrosphere is the body of liquid water on the earth, and the atmosphere is the body of gas around the earth.
they both have land and is hot
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Venus is smaller than earth and its nearer to the sun so the atmosphere is hotter
convection means when something is heated it expands or conducts eg. metal is heated it contracts when it is cooled it contracts.
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