Term
| law of conservation of energy |
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Definition
states that energy:
- is never lost
- cannot be created
- cannot be destroyed
- but ti can change form
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Term
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Definition
| an example of electrical energy changing to mechanical energy |
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Term
| when a light bulb is turned on |
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Definition
| an axample of electrical energy changing into heat energy and radiant energy would be... |
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Definition
- photosynthesis
- weather
- food webs
- energy pyramids
are examples of... |
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Definition
| sunlight + water + carbon dioxide equals this... |
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Term
| solar energy is converted into chemical energy |
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Definition
| photosynthesis is an example of the conservation of energy in which... |
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Term
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Definition
| transferring heat/electricity through a substance; ex. cooling system in a car |
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Definition
- when heating water on a stove, the hot water rises in the pot while the cooler water sinks
- when cold and warm air collides creating tornados and hurricanes
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Definition
| energy traveling at a high speed; ex. cell phones, nuclear weapons, sunshine, microwaves |
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Definition
| which process describes the transfer of thermal energy to earth? |
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Term
| sources of electrical energy |
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Definition
- fossil fuels
- solar energy
- hydroelectric plants
are all examples of... |
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Definition
| energy transferred through electromagnetic waves |
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Definition
| the heat you feel when you place your hand above a hot burner is an example of... |
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Definition
| when hot water rises in a pot while the cooler water sinks is an example of... |
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Term
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Definition
| a pot of water that sits on a hot burner and the heat is transferred into the pot is an example of... |
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Definition
| what energy transformation takes place when a match is lit? |
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Definition
| as energy from the sun warms the surface of the earth, the air near the surface is heated by... |
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Definition
| how does energy from the sun travel to the earth? |
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Definition
| energy transferred when mixing gas or liquid |
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Definition
| this type of energy ca be potential or kinetic. it has the potential to move. |
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Definition
| hydroelectric plants use this energy of falling water to spin turbines of electric generators |
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Definition
| the electric generators transform the mechanical energy into this, which can be sent over power lines |
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