Heat

What is heat?

Heat is another word for the thermal energy that flows through objects at a certain temperature.

Temperature

Temperature is the measurement of kinetic energy in the particles of an object. Warmer objects’ particles vibrate faster than the particles of colder objects.

When a warm and cold object touch, particles bump into each other an move around until the two objects have the same temperature.

Conduction, Convection, and Radiation

Conduction is the passing of heat from an object that stays in place. When you are heating something on the stove, the heat from the stove warms the metal pan. The heat then passes through the pan to the object being heated. This is an example of conduction

Convention is the tendency of warmer liquids or gasses to rise above cooler liquids or gasses. This happens because warm particles move around more and are less dense than cooler particles.

Radiation is the transfer of energy through electromagnetic rays. An example is thermal energy being transferred from the sun rays.

What is thermal conductivity?

Thermal conductivity is the ability of an object to transfer heat or conduct heat. If an object conducts heat, it is called a conductor of heat. If the object doesn’t conduct heat, it is called an insulator.

What is Heat Capacity?

Heat capacity is how long it takes for an object to heat up. If an object heats up fast, it has low heat capacity. If it heats up slow, it has high heat capacity.

Heat waste

Heat generated by friction can cause damage to objects. An example is when heat wears down car parts. This is called heat waste.

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