l Potential Energy PE The energy stored by
l Potential Energy: (PE) The energy stored by an object as a result of its position. Copyright © 2010 Ryan P. Murphy
Potential Enegy (PE) Kinetic Energy (KE)
Potential Enegy (PE) Kinetic Energy (KE)
Potential Enegy (PE) Kinetic Energy (KE)
l Potential Energy is the energy of position. Objects that are elevated have a high potential energy. l Kinetic Energy is the energy of motion. Copyright © 2010 Ryan P. Murphy
l Potential Energy is the energy of position. Objects that are elevated have a high potential energy. l Kinetic Energy is the energy of motion. Copyright © 2010 Ryan P. Murphy
l Potential Energy is the energy of position. Objects that are elevated have a high potential energy. l Kinetic Energy is the energy of motion. Copyright © 2010 Ryan P. Murphy
• Activity! Please write and plan on sharing a sentence about PE and KE about the animation below. Copyright © 2010 Ryan P. Murphy
• Activity! Please write and plan on sharing a sentence about PE and KE about the animation below. Copyright © 2010 Ryan P. Murphy
• The monkey has potential energy because of its position in the tree. When she lets go her potential energy is transferred into the energy of motion (KE). and Copyright © 2010 Ryan P. Murphy
• The monkey has potential energy because of its position in the tree. When he lets go his potential energy is transferred into the energy of motion (KE). Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• Video Link! (Optional) Energy changes, Potential and Kinetic Energy. – http: //www. youtube. com/watch? v=Jnj 8 mc 04 r 9 E
• Activity! PE – KE Skateboarder Simulator • Search Phet Skate Board Demo. • Download program (Free) http: //phet. colorado. edu/en/simulation/energy -skate-park Copyright © 2010 Ryan P. Murphy
– Law Conservation of Energy:
– Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.
– Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.
– Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.
– Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.
– Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.
– Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.
• Discovery education video…
• Discovery education video – During a bungee jump, the stored potential energy of the egg (PE = mgh) is converted into kinetic energy during the fall (KE = ½ MV²).
• Discovery education video – During a bungee jump, the stored potential energy of the egg (PE = mgh) is converted into kinetic energy during the fall (KE = ½ MV²). • The kinetic energy is converted back to potential energy as the bungee cord stretches.
• Video Link! (Optional) • Potential and Kinetic Energy • Be a proactive learner and record problems in your journal. – http: //www. youtube. com/watch? v=BSWl_Zj-CZs
Copyright © 2010 Ryan P. Murphy
Kinetic Energy Copyright © 2010 Ryan P. Murphy
Kinetic Energy Copyright © 2010 Ryan P. Murphy
l Translational Energy: Motion from one location to another.
l Vibrational energy (sound)
l Electrical energy: Flow of electrons. Copyright © 2010 Ryan P. Murphy
l Rotational energy.
• Amount of KE depends on both the objects mass and its velocity / (speed). Copyright © 2010 Ryan P. Murphy
• Amount of KE depends on both the objects mass and its velocity / (speed). Copyright © 2010 Ryan P. Murphy
• Amount of KE depends on both the objects mass and its velocity / (speed). Copyright © 2010 Ryan P. Murphy
• Amount of KE depends on both the objects mass and its velocity / (speed). Copyright © 2010 Ryan P. Murphy
• Amount of KE depends on both the objects mass and its velocity / (speed). Copyright © 2010 Ryan P. Murphy
l Mechanical Energy (ME): Energy due to position and motion. l- Copyright © 2010 Ryan P. Murphy
l Mechanical Energy (ME): Energy due to position and motion. l Sum of potential and kinetic energies, includes heat and friction. PE + KE = ME Copyright © 2010 Ryan P. Murphy
• Activity! Please make a roller coaster on a page in your science journal. – Color Key Areas with high potential energy and kinetic energy. Copyright © 2010 Ryan P. Murphy
• Activity! Please make a roller coaster on a page in your science journal. – Color Key Areas with high potential energy and kinetic energy. Copyright © 2010 Ryan P. Murphy
• Activity! Please make a roller coaster on a page in your science journal. – Color Key Areas with high potential energy and kinetic energy. Copyright © 2010 Ryan P. Murphy
• When you lift an object, chemical energy (a form of potential energy) stored in the chemicals obtained from your digested food is converted into the mechanical energy (kinetic). Which is then used to move your body. Heat is produced Copyright © 2010 Ryan P. Murphy
• When you lift an object, chemical energy (a form of potential energy) stored in the chemicals obtained from your digested food is converted into the mechanical energy (kinetic). Which is then used to move your body. Heat is released. Copyright © 2010 Ryan P. Murphy
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