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aneeka shah

on 14 August 2018

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Transcript of ENERGY

Different forms of energy
potential energy
kinetic energy
thermal energy
chemical energy
gravitational energy
electrical energy
sound energy
magnetic energy
elastic energy
light energy
Classify energy forms as active or stored
potential energy - stored
kinetic energy - activated
thermal energy - stored
chemical energy - activated
gravitational energy - stored
electrical energy - activated
sound energy - activated
magnetic energy - stored
elastic energy - stored
light energy - activated
Aneeka Shah
Recall the law of conservation of energy
The law of conservation of energy states that energy cannot be created or destroyed, but can only be changed from one form to another or transferred into one object from another.
Write energy chains
- Solar energy comes from the sun
-Leaves absorb the solar energy, transforming into chemical energy
-Plant is eaten by a grasshopper
-Grasshopper is eaten by a frog
-Frog is eaten by a bird
-Stored chemical energy is transferred from the plant to the grasshopper, to the frog, and to the bird enabling each to function as a living organism.
Investigate the conservation of energy
Example: Water can produce electricity. Water falls from the sky, converting potential energy to kinetic energy. This energy is then used to rotate the turbine of a generator to produce electricity. In this process, the potential energy of water in a dam can be turned into kinetic energy which can then become electric energy.
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