Lab 1-Heat transfer

Convection causes less dense material to rise, then it reaches the surface and cools. Energy is transferred through conduction. Heat always moves from heat source to heat sink. Heat travels better through metal (conductor). Styrofoam is an insulater.

Conduction

Heat transfer from atom to atom- surfaces must be touching

Convection

(currents) Heat Transfer through circulation

Equilibrium

Balance

Heat sink

Cooler temp-drain heat from somewhere

Heat Source

warmer temp- what provides the heat

Specific heat

How much energy it takes to change a materials temperature

Sand

lower specific heat, heat fast+cool fast

Water

higher specific heat, heat slow, cool slow

Radiation

Heat transfer through waves- Earth gets from the sun

wind comes from the sea

Sea Breeze