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Energy

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Energy

1. 1. ENERGY!!!!!!!!
2. 2. Energy  Energy is the ability to do work or cause change.  When a living thing does work on another object, some of that energy is transferred.  Examples?
3. 3. Kinetic Energy 1 Kinetic energy is the energy an object has due to its motion; this depends on both mass and speed. More mass means more kinetic energy More speed means more kinetic energy Examples?
4. 4. Kinetic Energy 2 Calculating Kinetic Energy: Kinetic Energy = 1/2 x Mass x Speed2 Note- changing the speed has a greater impact on the object’s kinetic energy than changing the mass.
5. 5. Potential Energy 1  Potential Energy is stored energy that results from an objects position or shape.  This object has the potential to do work.  When the object was placed where it is or shaped a certain way, energy was transferred to it.  Examples?
6. 6. Potential Energy 2 Gravitational Potential Energy is an objects potential energy based on gravity. This is dependant on its height relative to a reference point and it’s weight. Elastic Potential energy is the potential energy of an object that can be stretched or compressed
7. 7. Law of Conservation of Energy  According to the law of conservation of energy, energy cannot be created or destroyed.  (sound familiar? What is another law that is similar to this?)