What is the simple definition of convection?

What is the simple definition of convection?

convection, process by which heat is transferred by movement of a heated fluid such as air or water.

What is convection definition and example?

Convection is the transfer of heat by circulating it through air or liquids. A heat source at the bottom of the balloon heats the air molecules around the flame, and those molecules rise. Warmer air is less dense than cold air, so as the warm air rises the molecules spread out.

How do you explain convection to a child?

Convection is a way in which heat travels. It occurs when heat is transferred by the movement of liquids or gases. The other methods of heat transfer are conduction and radiation. Natural convection occurs when fluids are heated.

What is a simple 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 a convection current Kid definition?

Convection is a way in which heat travels. It occurs when heat is transferred by the movement of liquids or gases. This cycle is called the convection current. Forced convection is when fluids or gases are moved by outside forces, not by a change in temperature.

What are 3 facts about convection?

Facts about convection:

• The heat source and liquid are needed to form convection current therefore, heat transfer can be conducted.
• Convection occurs in the atmosphere.
• Magma is considered as the fluid, while the core of the earth is called as the heat source.
• Convection is important since it can affect the weather.

How do you explain heat to a child?

As atoms and molecules inside of an object move, they create heat energy. The faster they move, the hotter the object. What is this? Temperature is a measurement of how fast the atoms or molecules are moving within an object!

What are the 5 example of convection in science?

Examples of Convection: 1. Heating Water on the Stove When a pot of water is placed on a stove and the stove is turned on, the pan itself… 2. A Hot Air Balloon Hot air balloons rise due to the propensity of warmer air to be less dense than the air around it. 3. Warm Weather and Bodies of

What causes convection to happen?

Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection.

What are some real life examples of convection?

Examples of Convection: 1. Heating Water on the Stove. When a pot of water is placed on a stove and the stove is turned on, the pan itself becomes increasingly hotter due to conduction; that’s where the metal of the pot is directly in contact with the heating element. But the water inside the pot is heated due to convection.

What are two examples of convection?

Convection is of two types: natural and forced. Heated air rising is an example of natural convection. Hot air has a lower density than that of the cooler air in the atmosphere above it and therefore is buoyant; as it rises, however, it loses energy and cools.