What does convection mean in science?
convection, process by which heat is transferred by movement of a heated fluid such as air or water.
What is a convection easy definition?
Definition of convection 1 : the action or process of conveying. 2a : movement in a gas or liquid in which the warmer parts move up and the cooler parts move down convection currents. b : the transfer of heat by convection foods cooked by convection — compare conduction, radiation.
What is convection definition and examples?
Convection is a major factor in weather. EXAMPLES — Boiling water – The heat passes from the burner into the pot, heating the water at the bottom. Then, this hot water rises and cooler water moves down to replace it, causing a circular motion. florianmanteyw and 2 more users found this answer helpful.
What is convection in science for Class 7?
Convection: The process of heat transfer from one part of a fluid to another part by the actual movement of the particles of the fluid is called convection. Liquid and gases are heated by the process of convection.
What is conduction in simple words?
Definition of conduction 1 : the act of conducting or conveying. 2a : transmission through or by means of a conductor also : the transfer of heat through matter by communication of kinetic energy from particle to particle with no net displacement of the particles — compare convection, radiation. b : conductivity.
What is convection in Class 11?
Convection is the process of heat transfer from hot body to cold body by the bulk movement of the molecules within fluids such as gases and liquids. The initial heat transfer from the hot body to the fluid takes place through conduction, but the bulk heat transfer happens due to the motion of the fluid.
How do you explain heat energy to a child?
Heat energy, also called thermal energy, is the energy an object has because of the movement of its molecules, and heat can be transferred from one object to another object. Heat energy on Earth comes from the sun.
What are the 5 example of convection in science?
What are the 5 example of convection in science? Everyday Examples of Convection boiling water – When water boils, the heat passes from the burner into the pot, heating the water at the bottom. radiator – A radiator puts warm air out at the top and draws in cooler air at the bottom. steaming cup of hot tea – The steam you see when drinking a cup of hot tea indicates that heat is being transferred into the air.
What does the word convection mean in science terms?
Convection is the process of heat transfer in fluids by the actual motion of matter.
What is an example of convection in science?
Examples of convection include the movements of liquid metal in the Earth’s outer core, which gives us the magnetic field, and certain weather effects like sea breezes and some sources of rainfall.
What is the scientific definition of convection?
What is convection in basic science? Convection is a type of heat transfer that can only happen in liquids and gases, because it involves those liquids or gases physically moving. Convection happens when there is a difference in temperature between two parts of a liquid or gas. The hot part of a fluid rises, and the cooler part sinks.