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0708 types of_energy

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Transcript

  • 1. TYPES OF ENERGY Mechanical, Electromagnetic, Electrical, Chemical and Thermal
  • 2. What is Mechanical Energy?
    • Energy due to a object’s motion (kinetic) or position (potential).
    • The bowling ball has mechanical energy.
    • When the ball strikes the pins, mechanical energy is transferred to the pins!
  • 3. Examples of Mechanical Energy
  • 4. What is Electromagnetic Energy?
    • Light energy
    • Includes energy from gamma rays, xrays, ultraviolet rays, visible light, infrared rays, microwave and radio bands
  • 5. What is Electrical Energy?
    • Energy caused by the movement of electrons
    • Easily transported through power lines and converted into other forms of energy
  • 6. What is Chemical Energy?
    • Energy that is available for release from chemical reactions.
    • The chemical bonds in a matchstick store energy that is transformed into thermal energy when the match is struck.
  • 7. Examples of Chemical Energy
  • 8. What is Thermal Energy?
    • Heat energy
    • The heat energy of an object determines how active its atoms are.
    • A hot object is one whose atoms and molecules are excited and show rapid movement.
    • A cooler object's molecules and atoms will show less movement.
  • 9. QUIZ TIME!
    • What type of energy cooks food in a microwave oven?
    • ELECTROMAGNETIC ENERGY
    • What type of energy is the spinning plate inside of a microwave oven?
    • MECHANICAL ENERGY
  • 10. QUIZ TIME!
    • Electrical energy is transported to your house through power lines.
    • When you plug an electric fan to a power outlet, electrical energy is transform into what type of energy?
    • MECHANICAL ENERGY
  • 11. QUIZ TIME!
    • What energy transformation occurs when an electric lamp is turned on?
    • ELECTRICAL ENERGY
    • ELECTROMAGNETIC ENERGY
  • 12. What types of energy are shown below?
    • Mechanical and Thermal Energy
    • ( Don’t forget friction )
  • 13. What type of energy is shown below?
    • Chemical Energy
  • 14. What types of energy are shown below?
    • Electrical, Mechanical and
    • Electromagnetic Energy
  • 15. What type of energy is shown below?
    • Chemical Energy (yummy)
  • 16. What type of energy is shown below?
    • Thermal Energy
  • 17.
    • Draw a flow map showing the flow of energy transformations in a car from starting vehicle to driving. You should have 5 different types of energy.
  • 18. Energy Transfer Chemical Electrical Electrical Electrical Sound (mechanical) Light (Electromagnetic) Thermal Mechanical