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

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Presentation transcript:

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

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

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

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

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

Example: occurs in _____________ ________________of molecules conduction solids occurs in _____________ ________________of molecules collision Example:

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

convection examples:

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

travel by _____________ radiation waves travel by _____________ Examples:

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

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

Best Absorbers dark & rough Best Reflectors light colored & smooth

A good absorber is a good RADIATOR