ENERGY UNIT NGSS KCAS 7 th Grade Science. RADIATION  Symbol for waves  Heat WITHOUT touching  Examples  Sun heating pool  Laying out/Tanning  Placing.

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Presentation transcript:

ENERGY UNIT NGSS KCAS 7 th Grade Science

RADIATION  Symbol for waves  Heat WITHOUT touching  Examples  Sun heating pool  Laying out/Tanning  Placing hand over stove burner

CONDUCTION  Heat moves to cooler object  Heat WITH touching  Examples  Touching/Sitting on Car Leather that has been in Sun

CONVECTION  Lava lamp demonstration  Examples  Wind/Air currents  Heating & Cooling Rooms  Convection Oven

NUCLEAR ENERGY  Atom MUST SPLIT to release energy

SOUND ENERGY

MECHANICAL ENERGY  Must have MOVING parts or gears  Examples  Animals  Humans

ELECTROMAGNETIC (LIGHT) ENERGY  Anything that has light

ELECTRICAL ENERGY  Wires? Or Plugs in? HAS ELECTRICAL ENERGY

CHEMICAL ENERGY  Considered P. E. until used

THERMAL ENERGY  HEAT energy  Anything that holds or releases heat  Measured by TEMPERATURE  More Volume = More Energy

LAW OF CONSERVATION OF ENERGY  Begins & ends with the same amount of energy  May end up being a different type of energy

POTENTIAL ENERGY  On Ground = 0 P. E.  Drawing

KINETIC ENERGY  An object IN MOTION  Examples of more K. E.  Mass – Center/Lineman  Speed – Forward/Running Back

WHEN A BALL IS DROPPED  Drawing  Result  P. E. changes to K. E.

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