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Energy Laws & Types
Energy: the ability to do work or cause change
Energy is always involved when physical or chemical changes occur in matter
You can detect the effects of energy when matter is moved, when it reacts, or when energy is transformed from one form to another form
Law of Conservation of Energy: Energy cannot be created or destroyed, it can only change from one form to another
Potential Kinetic 2 Main Types of Energy: Potential or Kinetic
stored o Potential energy is stored energy that has not been used.
Examples Potential Energy
Pulled back Bow and Arrow
Rollercoaster at top of hill
Do you have more examples of potential energy?
An object has potential energy because of its position, shape, or chemistry
An object’s potential energy is increasing as it gets higher
The more mass an object has the more potential energy it has
motion o Kinetic energy is energy of motion.
Examples Kinetic Energy
Swinging a Hammer
Throwing a Ball
Do you have more examples of kinetic energy?
The amount of kinetic energy an object has depends on its mass and speed
The faster the object goes, the more kinetic energy the object has
An object with a larger mass will have more kinetic energy than a smaller object at the same height
As the potential energy increases, the kinetic energy decreases
As the potential energy decreases, the kinetic energy increases
Examples both Potential and Kinetic energy
http://phet.colorado.edu/en/simu lation/energy-skate-park-basics Energy Skate Park
What is the relationship of potential and kinetic energy?
Potential and kinetic energy are inversely proportional
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