CH12 The Heat Is On!!!

Celsius scale

water freezes at zero degrees and water boils at 100 degrees. Scientists use this

Fahrenheit scale

water freezes at 32 degrees and water boils at 212 degrees.

Convection current

The movement of a fluid, caused by differences in temperature

Radiation

The transfer of thermal energy by electromagnetic waves.

Thermal Conductor

a material that conducts heat well

heat

The transfer of thermal energy from a warmer object to a cooler object.

Temperature

A measure of the average kinetic energy of the individual particles (molecules) of an object.

Density

The measure of how much mass of a substance is contained in a given volume.

Absolute zero

The lowest temperature possible; the kinetic energy of individual particles is zero.

Convection

a type of heat transfer that occurs only in fluids, such as water or air

Conduction

The transfer of heat from one particle to another through direct contact or touch.

Thermal Insulator

Materials that do not conduct heat well

Thermal expansion

The expanding of matter when it is heated