What are other types of energy ?
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Transcript of What are other types of energy ?
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What are other types of energy?
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What is ENERGY?• Energy is the ability to do work.
• Everything that happens in the world uses energy!
• Most of the time we can’t see energy, but it iseverywhere around us!
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Energy…
• is NEVER created or destroyed!
• can only be STORED or TRANFERRED.• Potential energy is the energy that is stored to
so that it has the ability to do something useful later on.
• Kinetic energy is the energy of motion.
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How is all energy divided?All Energy
Potential Energy
Kinetic Energy
Chemical Nuclear
Light
Heat
Electrical
Sound
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What is Light Energy?•Light energy travels in waves (electromagnetic waves).
•The Sun is the source of most light.•However, light energy can come from anything that puts off light.
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What is Heat Energy?•All objects have heat energy.•This heat energy increases as the temperature of the object increase. •All objects are made up of a cluster of atoms called molecules.
ATOMS
Molecules
Make
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What is Heat Energy?
• When energy is added to objects the molecules move faster.
• High temperatures mean the molecules are moving faster and have more heat energy.
• Low temperatures mean the molecules are moving slower and have less heat energy.
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• http://www.spaceflight.esa.int/impress/text/education/Heat%20Transfer/Conduction%20in%20a%20Gas.html
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Which object has more heat energy?
The hot chocolate has more heat energy because the molecules are moving much faster than the molecules in
the ice water.
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What is Chemical Energy?
• Chemical energy is the energy stored in bonds between atoms.
AtomAtom
Bond between atoms where chemical energy is stored.
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What is Chemical Energy?• Everything is made of atoms.
• In order to get the chemical energy stored between the atoms the bonds have to be broken.
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How do you break the bonds between the atoms?
• Your body breaks the bonds of this burger to get chemical energy.
• Fire can break the bonds between atoms in this tree to release chemical energy.
• A chemical reaction with the battery acid happens to break the bonds and release chemical energy.
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How is this an example of Chemical Energy?
• Gasoline • How could you get the chemical energy out of the gasoline?
• Our cars burn the gasoline. Which breaks the bonds between the atoms. This releases the chemical energy stored in these bond for the car to use.
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What is Electrical Energy?•Electrical Energy is caused by the movement of electrons. –Either in a wire or–In the form of lightning
• It is easily transported through power lines and converted into other forms of energy
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Where is the Electrical Energy?
The electrical energy is were the electrons are
moving through the wires.
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What is Sound Energy?
• Sound energy is vibrations that move through matter to our ears as sound waves
• How fast or slow the waves move = different frequency
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Name That Energy
Chemical Energy. Because it is made of atoms. Our body breaks down the bonds between these atoms
to get the chemical energy
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Name that Energy
Heat Energy. Because the molecules are moving very quickly.