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Thermal Energy & Heat - Coggle Diagram
Thermal Energy & Heat
Conduction
is the transfer of energy as heat from one substance to another through direct contact
occurs any time that objects with different temperatures come in contact with each other
hot tea to hands
ice cube in a glass of water
conductors
is a material that transfers heat very well
metal
pots with metal handles
insulators
is a material that is a poor conductor of heat
wood
paper
plastic
Convection
Is the transfer of energy as heat by the movement of a liquid or gas
occurs when a cooler, denser mass of a gas or liquid replaces a warmer, less dense mass of a gas or liquid by pushing it upward
particles move closer together, making the water denser
pot of boiling water
tea pot heating up
Radiation
Is the transfer of energy by electromagnetic waves
emitted from one object and then absorbed by another
can travel through empty space
sun
fire
light