2. Conservation of Energy Mrs. Anna Ward James Martin MS

3. Do Now!!!! Match the units Distance Force Acceleration Speed Time Velocity Mass kg Newton or Kgm/s2 m m/s2 S m/s m/s North

4. Announcements Agenda for the week Quiz on Thursday Fruit Sale “Orange Out” on Wednesday

6. TYPES OF ENERGY Mechanical, Electromagnetic, Electrical, Chemical and Thermal

7. What is Mechanical Energy? o 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!

8. Examples of Mechanical Energy

9. What is Electromagnetic Energy? o Light energy o Includes energy from gamma rays, xrays, ultraviolet rays, visible light, infrared rays, microwave and radio bands

10. What is Electrical Energy? o Energy caused by the movement of electrons o Easily transported through power lines and converted into other forms of energy

11. What is Chemical Energy? o 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.

12. Examples of Chemical Energy

13. What is Thermal Energy? o Heat energy o 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.

14. 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

15. 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

16. QUIZ TIME! What energy transformation occurs when an electric lamp is turned on? ELECTRICAL ENERGY  ELECTROMAGNETIC (or LIGHT) ENERGY

17. What types of energy are shown below? Mechanical and Thermal Energy (Don’t forget friction)

18. What type of energy is shown below? Chemical Energy

19. What types of energy are shown below? Electrical, Mechanical and Electromagnetic Energy

20. What type of energy is shown below? Chemical Energy (yummy)

21. What type of energy is shown below? Thermal Energy

22. 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.

23. Energy Transfer Chemical Electrical Sound (mechanical) Light (Electromagnetic) Thermal Mechanical

24. Types of Energy LIGHT: ELECTRIC: MECHANICAL: NUCLEAR: WIND: HYDROELECTRICAL: THERMAL: SOUND:

25. Independent Practice Examples: Conservation of Energy A tennis ball Eating a plate of spaghetti A burning fire A bouncing ball Tank of gasoline

26. Independent Practice Time!!! Each group has an assigned statement. Use what you have learned today to respond to how you think this statement demonstrates the Law of Conservation of Energy We will rotate groups. You may agree (or disagree) with the other groups.

27. Brain Pop!!! http://www.brainpop.com/science/energy/for msofenergy/preview.weml http://www.brainpop.com/science/energy/for msofenergy/preview.weml