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Flashback In a chemical reaction there may be a: A. Color change B. Formation of a gas C. Heat change D. All of the above.

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Presentation on theme: "Flashback In a chemical reaction there may be a: A. Color change B. Formation of a gas C. Heat change D. All of the above."— Presentation transcript:

1 Flashback In a chemical reaction there may be a: A. Color change B. Formation of a gas C. Heat change D. All of the above

2 Flashback Gravity is a _______. A. Velocity bSpeed cForce dWeight

3 In winter, ice and snow may cover the concrete sidewalk, making it slippery. It is harder to walk because ice lowers this force: A. Gravity B. Friction C. Propulsion D. Inertia

4 Answers http://studyjams.scholastic.com/studyjams/ja ms/science/forces-and-motion/inertia.htm http://studyjams.scholastic.com/studyjams/ja ms/science/forces-and-motion/inertia.htm

5 Flashback In a chemical reaction there may be a: A. Color change B. Formation of a gas C. Heat change D. All of the above

6 Flashback Gravity is a _______. A.Velocity B.Speed C.Force D. Weight

7 In winter, ice and snow may cover the concrete sidewalk, making it slippery. It is harder to walk because ice lowers this force: A. Gravity B. Friction C. Propulsion D. Inertia

8 END MATTER START ENERGY

9 THINK TINSTAAFL Copyright © 2010 Ryan P. Murphy

10 What is TINSTAAFL? Copyright © 2010 Ryan P. Murphy

11 Is this a TINSTAAFL? – A strange hotdog where the bun is really a clump of French Fries. Copyright © 2010 Ryan P. Murphy

12 THINK TINSTAAFL Copyright © 2010 Ryan P. Murphy

13 THINK TINSTAAFL Copyright © 2010 Ryan P. Murphy

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16 Energy cannot be created or destroyed but can diminish in quality from useful to less useful. Energy cannot be created or destroyed but can diminish in quality from useful to less useful. Copyright © 2010 Ryan P. Murphy

17 Energy comes from somewhere – Nothing is free. Energy comes from somewhere – Nothing is free. Copyright © 2010 Ryan P. Murphy

18 Energy can be transformed from one form to another. Energy can be transformed from one form to another. Copyright © 2010 Ryan P. Murphy

19 Energy can be transformed from one form to another. Energy can be transformed from one form to another. Copyright © 2010 Ryan P. Murphy

20 Energy can be transformed from one form to another. Energy can be transformed from one form to another. Copyright © 2010 Ryan P. Murphy

21 Energy can be transformed from one form to another. Energy can be transformed from one form to another. Copyright © 2010 Ryan P. Murphy

22 Energy can be transformed from one form to another. Energy can be transformed from one form to another. Copyright © 2010 Ryan P. Murphy

23 Energy can be transformed from one form to another. Energy can be transformed from one form to another. Copyright © 2010 Ryan P. Murphy

24 Energy can be transformed from one form to another. Energy can be transformed from one form to another. Copyright © 2010 Ryan P. Murphy

25 Energy can be transformed from one form to another. Energy can be transformed from one form to another. Copyright © 2010 Ryan P. Murphy

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36 Differences in temperature causes differences in pressure between high and low which drives the wind.

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62 Area of Focus: Forms of Energy Area of Focus: Forms of Energy Copyright © 2010 Ryan P. Murphy

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64 The seven forms of energy The seven forms of energy - - - - - - - Copyright © 2010 Ryan P. Murphy

65 Mechanical Mechanical Copyright © 2010 Ryan P. Murphy

66 Review! Mechanical Energy: The sum of kinetic and potential energy. Copyright © 2010 Ryan P. Murphy

67 Review! Mechanical Energy: The sum of kinetic and potential energy. Copyright © 2010 Ryan P. Murphy

68 Potential Energy: (PE) The energy stored by an object as a result of its position.Potential Energy: (PE) The energy stored by an object as a result of its position. Copyright © 2010 Ryan P. Murphy

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71 Potential Enegy (PE)Kinetic Energy (KE)

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75 Potential Energy is the energy of position. Objects that are elevated have a high potential energy.Potential Energy is the energy of position. Objects that are elevated have a high potential energy. –Kinetic Energy is the energy of motion. Copyright © 2010 Ryan P. Murphy

76 Potential Energy is the energy of position. Objects that are elevated have a high potential energy.Potential Energy is the energy of position. Objects that are elevated have a high potential energy. –Kinetic Energy is the energy of motion. Copyright © 2010 Ryan P. Murphy

77 Can anyone point out PE or KE? Copyright © 2010 Ryan P. Murphy

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92 Activity! PE – KE Skateboarder Simulator Search Phet Skate Board Demo. Download program (Free) - http://phet.colorado.edu/en/simulation/ener gy-skate-park http://phet.colorado.edu/en/simulation/ener gy-skate-park Copyright © 2010 Ryan P. Murphy

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