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Energy Conversions - PowerPoint PPT Presentation


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Energy Conversions. Electromagnetic energy is converted into chemical energy of the ‘food’ made by the plant and also the ‘burnable’ plant material. Sun shining on plants. Gasoline (chemical energy) transfers to mechanical energy some electrical and much thermal energy. Car moving.

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Energy Conversions


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Presentation Transcript
sun shining on plants
Electromagnetic energy is converted into chemical energy of the ‘food’ made by the plant and also the ‘burnable’ plant material.Sun shining on plants
lamp shining
Electrical energy is converted to electromagnetic light waves and thermal energy.Lamp shining.

All these colors are in visible white light.

candle burning
Chemical energy (wick and wax) are converted to electromagnetic light waves and thermal energy.Candle burning

lipid

toaster
toaster
  • Electrical energy is converted to electromagnetic light waves and thermal energy.
venus fly trap
Electromagnetic energy is converted to chemical energy.

Then chemical energy is converted to mechanical energy and thermal energy.

Venus Fly Trap
steam turbine
Chemical energy of fuel converts to thermal energy that moves water into mechanical energy which turns magnets to move electrons (that is: make electrical energy) and thermal energy.Steam turbine
nuclear power plant
Nuclear fission is converted to thermal energy which moves water (steam) as mechanical energy, which turns magnets to make electrical energy and thermal energy.Nuclear power plant
rechargeable batteries being recharged
Electrical energy is being converted into some chemical energy and thermal energy….but not all the chemical reactants respond over time.Rechargeable batteries being recharged
refrigerator
Electrical energy is converted into mechanical energy and thermal energy.

The pump ‘compresses’ the coolant so it can then ‘decompress’ under the refrigerator to release its heat that it pickup from the warm food we placed inside.

Refrigerator
flag blowing in wind
Mechanical energy is converted to another material (mechanical) and releases some thermal energy.Flag blowing in wind