Energy Part 1

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Slide 1: 

Energy Notes Page 3 ©Mark Place, 2009-2010 www.LearnEarthScience.com

Slide 2: 

Energy Transfer What’s the difference between kinetic and potential energy? Give a real-life example of each.

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Kinetic Energy energy in motion EXAMPLES SKIING DOWNHILL THROWING A BOWLING BALL WATER FLOWING IN A RIVER

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Potential Energy stored energy EXAMPLES AT THE TOP OF A SKI SLOPE WATER BEHIND A DAM

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What are the three ways that energy can be transferred between objects? Give one real-life example of each.

Slide 8: 

conduction occurs in _____________ ________________of molecules Example: solids collision

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convection occurs in _____________________ caused by ____________________ liquids & gases differences in density

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convection examples:

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convection From where do convection ovens heat? From the top or the bottom? From where do refrigerators cool? From the top or the bottom?

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radiation travel by _____________ Examples: waves

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How are different types of energy told apart? by their wavelengths Which is more powerful? Short or long waves? short

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How does energy get from the Sun to the Earth? radiation

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Best Absorbers dark & rough Best Reflectors light colored & smooth

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A good absorber is a good RADIATOR

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