Heat Transfer for 5th grade

Terms in this set (16)

Conduction
The transfer of thermal energy (heat) between things that are touching or bumping into each other.
Ex: Hot burner to metal pot, hot cocoa to your cup
Convection
The transfer of energy by particles of liquids or gases moving from one place to another.
Ex: Air being heated by furnace, or a fireplace
Radiation
The transfer of energy by electromagnetic waves. The bundles of energy that move through matter and/or empty spaces.
Ex: The sun heats your skin. Heating food with a microwave.
Heat Transfer
When warmer things are put with cooler things and the warmer thing loses heat and the cooler things lose heat until they are at the same temperature. A warmer object can warm a cooler object by contact or at a distance.
Good Conductors
Good Conductors
- Copper
- Silver
- Iron
- Steel
Bad Conductors
Bad Conductors
- Wood
- Styrofoam
- Paper
- Air
Good Insulators
wool, glass jar
Bad Insulators
steel pan, plastic cup, plastic gloves
Conductor
a material that allows heat or electricity to flow through it with little resistance
Insulator
A material that doesn't allow heat to flow through it easily
Reflects
when heat is reflected back into the atmosphere. Ex. Fresh snow, clouds
reflect
The image in a mirror that is a result of bending light when it is thrown back
radiation, conduction, convection
What are the three ways energy can be transferred
convection currents
these cause the cooler breezes you experience by a large body of water. These _____________ currents also cause the convection of magma within the earth.
earth radiation
heat travels to the earth by infrared waves. These are similar to light waves and are able to travel through space?
3 types of heat transfer
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