TYPES OF ENERGY Mechanical, Thermal, Electrical, Chemical, Nuclear, and Electromagnetic,
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Transcript of TYPES OF ENERGY Mechanical, Thermal, Electrical, Chemical, Nuclear, and Electromagnetic,
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TYPES OF ENERGY
Mechanical, Thermal, Electrical, Chemical,
Nuclear, and Electromagnetic,
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What is Mechanical Energy?
o Energy due to a object’s motion
(kinetic) or position (potential).
The bowling ball has mechanical energy.
When the ball strikes the pins, mechanical energy is transferred
to the pins!
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Examples of Mechanical Energy
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What is Thermal Energy?o Heat energy
o The heat energy of an object determines how active its atoms are.
A hot object is one whose atoms and molecules are excited and show rapid
movement.
A cooler object's molecules and atoms will show less
movement.
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What is Electrical Energy?
o Energy caused by the movement of
electrons
o Easily transported
through power lines and converted into other forms of
energy
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What is Chemical Energy?
o Energy that is stored within the molecules of a substance and
available for release through chemical
reactions.
The chemical bonds store energy that is
transformed when these bonds are broken or
changedCHEMICAL CHANGE
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Examples of Chemical Energy
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What is Nuclear Energy?-Energy stored in the nucleus in an atom.
-Two types of ways to harness the potential energy in the nucleus of the atom
FISSION SPLITTING of
nucleus
FUSIONWhen the
nuclei of atoms FUSE
These reactions occur constantly on the SUN
Utilized in NUCLEAR POWER PLANTS
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What is ElectromagneticEnergy?
o Light energy
o Includes energy from gamma rays, xrays, ultraviolet rays, visible light,
infrared rays, microwave and
radio bands
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Law of the Conservation of Energy
• Energy can neither be created nor destroyed, it only CHANGES FORMS.
• Energy transforms from one type to another, but is conserved and passed
along!!
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QUIZ TIME!What type of energy cooks food in a microwave oven?ELECTROMAGNETIC
ENERGY
What type of energy is the spinning plate inside of a microwave oven?MECHANICAL ENERGY
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QUIZ TIME!Electrical energy is transported to your house through power lines.
When you plug an electric fan to a power outlet, electrical energy is transformed into what type of energy?
MECHANICAL ENERGY
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QUIZ TIME!
What energy transformation occurs
when an electric lamp is turned on?
ELECTRICAL ENERGY
ELECTROMAGNETIC ENERGY
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What types of energy are shown below?
Mechanical and Thermal Energy(Don’t forget friction)
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What type of energy is shown below?
Chemical Energy
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What types of energy are shown below?
Electrical, Mechanical andElectromagnetic Energy
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What type of energy is shown below?
Chemical Energy (yummy)
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What type of energy is shown below?
Electrical & Thermal Energy
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• Draw a flow map showing the flow of energy transformations in a car from starting vehicle to driving. You should have 5 different types of energy.
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Energy Transfer
Chemical
Electrical
Electrical
Electrical
Sound(mechanical)
Light(Electromagnetic)
ThermalMechanical