convection, transfer of heat by movement through a substance, conduction, transfer of heat by direct contact, radiation, transfer of heat by electromagnetic waves, Heat always transfers from, warmer to cooler, Heat NEVER transfers from, cooler to warmer, What makes heat rise?, molecules get less dense when heated, pencil sharpener, Starts as electrical and goes to mechanical, battery operated fan, Starts as chemical and goes to electrical, lamp, Starts as electrical and goes to light, flat iron (for hair), Starts as electrical and goes to thermal, hammering a nail, Starts as gravitational and goes to mechanical, a flower, Gets energy from light and goes to chemical, You burn your hand when touching a hot pan., conduction example, This causes wind., convection example, You get a sunburn from the sun., radiation example, Law of Conservation of Energy, Energy is not created or destroyed, it transforms., holding a rubber band then letting go, starts as stored mechanical and goes to mechanical, burning wood, Starts as chemical and goes to thermal, gas in a car, Starts as chemical and goes to mechanical, weight and height, potential energy depends on, speed and mass, kinetic energy depends on, potential energy, stored energy, kinetic energy, energy of motion

Energy Transformations

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