Essential Question: How does energy change from one form to another?

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Presentation transcript:

Essential Question: How does energy change from one form to another? Agenda Ram Bleat- Period 1 Only Bell Ringer Types of energy (Card Sort) Notes- Types of energy & energy transfer Types of Energy Card sort- address questions and misconceptions

Transferring Thermal Energy Topic 1 Lesson 2 & 3

Review Temperature is the measure of the total kinetic and potential energy in an object – a number value, use thermometer Heat- the transfer of thermal energy from a warmer object to a cooler object. Thermal expansion- all substances expand with heated and contract when cooled. Exception is water Different materials contract and expand at different rates The Law of Conservation of Energy: energy can not be created or destroyed, only transferred or changed from one form to another

Heat/ Energy is transferring around you all the time!!! Heat transfer is: NOT random Transfers in one direction The energy Always moves from a warmer area to a cooler area.

Thermal energy is transferred from place to place by: CONDUCTION transfer of thermal energy by collisions between particles in matter. CONVECTION transfer of thermal energy in a fluid by the movement of warmer and cooler fluid from place to place. RADIATION transfer of energy by electromagnetic waves.

occurs in solids, liquids, and gases. Conduction occurs in solids, liquids, and gases. Examples: Convection occurs in fluids. Rising of warmer fluid and sinking of cooler fluid forms a convection current

Radiation The transfer of energy by electromagnetic waves. Does not require matter (can move through air…)

Energy Transformations Sometimes, it is necessary to transform one type of energy into another to get work done. Write down 4 examples of your own.