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EQ: What are the main forms of energy? Describe their characteristics

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Presentation on theme: "EQ: What are the main forms of energy? Describe their characteristics"— Presentation transcript:

1 EQ: What are the main forms of energy? Describe their characteristics

2 What is (ME) Mechanical Energy?
Energy of the position and motion of an object. ME = PE + KE Measured in JOULES! All objects in motion have KE and PE, so they have ME! Examples: car moving frog jumping Sounds being made

3 Page 449: (PE=w x h) (KE = 1/2m x v2) (ME= PE + KE)
1) 1000J 2) 2000J PE = 500 x 6 = 3000J 3) 5000J

4 How is there energy within an object?
The particles within an object have potential and kinetic energy too.

5 What is Thermal Energy? The movement of the particles within an object. Measured as temperature (heat) Faster particles - more thermal energy - higher temperature. Slower particles -less thermal energy - lower temperature. Examples: Ice cream melting Fire Hairdryer

6 What is Electrical Energy?
Energy due to electric charge. Electric charges can be moving (KE) or stored (PE) Examples: Static shock Lightning Batteries Power Lines

7 What is Chemical Energy?
Energy that is stored within the bonds that hold chemical compounds together. Examples: Food Matches Cells Gasoline

8 What is Nuclear Energy? Energy that is stored within the nucleus of an atom. Examples Fusion (nuclei fusing together within sun) Fission (nuclei breaking apart)

9 What is Electromagnetic Energy?
Energy that travels in waves that has electrical and magnetic properties Examples: Microwaves Light Xrays Ultraviolet Rays Radio Waves

10 Closing: 1) What is energy
Closing: 1) What is energy? 2) Name the types of energies and give examples: Chemical, Electrical, Electromagnetic, Nuclear, Thermal. 3) Explain how all of these energies can be potential and kinetic.

11 Assessment: WB pages 177-178 **** DO TARGET READING DEFINITIONS!!!!!

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