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<ul><li>Notes: Energy </li></ul><ul><li>CW: 4-3 B </li></ul><ul><li>H: 4-3 </li></ul>
Energy 3-13-09
<ul><li>Define energy & know the unit of measurement </li></ul><ul><li>State the law of conservation of energy </li></ul><...
Energy <ul><li>the ability to cause change </li></ul>
Types of energy   <ul><li>Light  </li></ul><ul><li>Thermal  </li></ul><ul><li>Chemical </li></ul><ul><li>Electrical   </li...
Mechanical energy   <ul><li>the ability to cause a change in motion  </li></ul>
Mechanical Energy <ul><li>There are two types </li></ul><ul><li>Potential energy  </li></ul><ul><li>Kinetic energy  </li><...
Unit of Measurement <ul><li>In order to cause a change in motion we know we need to apply a force in order to change an ob...
Newton meter  (Nm)
Newton meter <ul><li>can also be called a joule (J) </li></ul>
Kinetic Energy <ul><li>refers to anything in motion   </li></ul>
<ul><li>Kinetic energy is dependent on an object’s mass & speed.  </li></ul><ul><li>KE =  mass x velocity  2 </li></ul><ul...
Potential Energy <ul><li>the energy that is stored and has the potential to cause motion.  </li></ul><ul><li>PE = weight x...
 
Conservation of Energy <ul><li>Energy can change from one form to another, but the total amount of energy is always the sa...
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Energy

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Energy

  1. 1. <ul><li>Notes: Energy </li></ul><ul><li>CW: 4-3 B </li></ul><ul><li>H: 4-3 </li></ul>
  2. 2. Energy 3-13-09
  3. 3. <ul><li>Define energy & know the unit of measurement </li></ul><ul><li>State the law of conservation of energy </li></ul><ul><li>Define & calculate potential and kinetic energy </li></ul>
  4. 4. Energy <ul><li>the ability to cause change </li></ul>
  5. 5. Types of energy <ul><li>Light </li></ul><ul><li>Thermal </li></ul><ul><li>Chemical </li></ul><ul><li>Electrical </li></ul><ul><li>Magnetic </li></ul><ul><li>Sound </li></ul><ul><li>Nuclear </li></ul><ul><li>Mechanical </li></ul>
  6. 6. Mechanical energy <ul><li>the ability to cause a change in motion </li></ul>
  7. 7. Mechanical Energy <ul><li>There are two types </li></ul><ul><li>Potential energy </li></ul><ul><li>Kinetic energy </li></ul>
  8. 8. Unit of Measurement <ul><li>In order to cause a change in motion we know we need to apply a force in order to change an object’s position. </li></ul>
  9. 9. Newton meter (Nm)
  10. 10. Newton meter <ul><li>can also be called a joule (J) </li></ul>
  11. 11. Kinetic Energy <ul><li>refers to anything in motion </li></ul>
  12. 12. <ul><li>Kinetic energy is dependent on an object’s mass & speed. </li></ul><ul><li>KE = mass x velocity 2 </li></ul><ul><li> 2 </li></ul>
  13. 13. Potential Energy <ul><li>the energy that is stored and has the potential to cause motion. </li></ul><ul><li>PE = weight x height </li></ul>
  14. 15. Conservation of Energy <ul><li>Energy can change from one form to another, but the total amount of energy is always the same. </li></ul>

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