Review Conductors move energy rapidly. Insulators move it slowly.

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Presentation transcript:

Review Conductors move energy rapidly. Insulators move it slowly. If you don’t want the temp. to change, STOP Energy from flowing.

Review Metals are good conductors due to the properties of the atoms that make up the metal. Metal atoms do not hold onto their outermost electrons very stongly; move freely about. Non-metals---Electrons do not move about!

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Transforming Mechanical Energy to Thermal Energy Rub a surface with a pencil eraser for a few seconds, Place the sensing sheet over the region, What effect does erasing have?