1. ENERGY

2. Energy – The ability to do work How is energy involved in the following picture?

3. STATES OF ENERGY 1. Kinetic -The energy of motion, when energy is being transferred.

4. 2. Potential - Stored Energy or energy that is waiting to be transferred. STATES OF ENERGY

5. What type of energy does each picture demonstrate?

7. The Roller Coaster

10. 7 Forms of Energy

11. FORMS OF ENERGY 1.Mechanical – Examples of mechanical energy

12. FORMS OF ENERGY 2. Thermal – Results from friction, causes temperature and phase changes, ALL OTHER TYPES of energy TURN INTO THIS. Solid to LiquidLiquid to Gas

13. FORMS OF ENERGY 3.Chemical – Examples: All forms of fuel (gasoline, coal, wood, food, radioactive materials) Photosynthesis, batteries.

14. 1. Wood Burning; 2. Chemical energy is stored in the marshmallow’s sugar molecules. What are examples of Chemical Energy in this picture? 3.When you eat a marshmallow,

15. FORMS OF ENERGY 4.Electrical Energy – The electrical outlets in your home allow you to use electrical energy

16. FORMS OF ENERGY 5.Sound – Example: Guitar Strings Vibrating

17. 6.Light – LIGHT IS ELECTROMAGNETIC ENERGY FORMS OF ENERGY

18. Electromagnetic Spectrum

19. Other Examples of Electromagnetic Energy

20. FORMS OF ENERGY 7.Nuclear – Examples: Sun’s EnergyNuclear Power Plant

21. WHICH FORM OF ENERGY IS REPRESENTED IN EACH PICTURE?

22. SIMPLE ENERGY CONVERSIONS A change from one form of energy to another is called an ______________. Any form of energy can be converted Into any other form of energy.

23. ENERGY CONVERTING FROM POTENTIAL TO KINETIC MAX PE. MAX KE. MAX PE.

24. CHEMICAL ENERGY CONVERSIONS 1. Chemical energy 2. Mechanical energy 3. Heat Chemical  mechanical  thermal (heat)

25. Examples of Other Chemical Energy Conversions 1.Batteries(chemical)  2.Gas(chemical)  Chemical to ?

26. Electrical Energy Conversions All electrical appliances are converting electricity. Name several examples of electrical conversions.

27. MECHANICAL ENERGY CONVERSIONS Movement causes friction which causes heat. Mechanical can turn into mechanical again. Bike: mechanical  mechanical  thermal  sound

28. THERE HAS TO BE AN ENERGY CHANGE TO MAKE THINGS HAPPEN! ENERGY CONVERSIONS

29. CONSERVATION OF ENERGY The Law of Conservation of Energy states Energy cannot be Created or Destroyed.

30. Energy Resources – a natural resource that can be converted into energy for use by humans. Two Types of Energy Resources: Renewable & Nonrenewable

31. Renewable Resource – an energy resource that can be replaced in a short amount of time.

32. Renewable Resources: 1.Hydropower 2.Wind 3.Geothermal 4.Biomass 5.Solar power

33. Nonrenewable Resources – cannot be replaced after use or takes millions of years to replace. Fossil Fuels – energy resources that are formed from plants and animals that lived millions of years ago

34. Non Renewable Resources: 1.Coal 2.Natural Gas 3.Petroleum 4.Propane 5.Uranium

35. COMPLEX ENERGY CONVERSIONS Converting energy from the sun to make it available for use at your home.

36. Complex Energy Conversions All energy originates (starts) with the SUN!!!! HOW CAN WE MAKE ENERGY FROM THE SUN USEABLE???? The energy conversions involved with the sun are: How can we use the light energy given from the sun on earth?

37. Nuclear Power Disadvantage:

38. Solar Power Disadvantage:

39. Hydropower Disadvantage:

40. Wind Power Disadvantage:

41. Geothermal Energy

42. Biomass Energy

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