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

Date post: 17-Dec-2015
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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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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

Flashback

• Gravity is a _______.• A. Velocity• bSpeed• cForce• dWeight

• 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

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

Flashback

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

• 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

END MATTERSTART

ENERGY

•THINK TINSTAAFL

Copyright © 2010 Ryan P. Murphy

• What is TINSTAAFL?

Copyright © 2010 Ryan P. Murphy

• Is this a TINSTAAFL? – A strange hotdog where the bun is really a clump of French Fries.

Copyright © 2010 Ryan P. Murphy

•THINK TINSTAAFL

Copyright © 2010 Ryan P. Murphy

•THINK TINSTAAFL

Copyright © 2010 Ryan P. Murphy

Energy cannot be created or destroyed but can diminish in quality from useful to less useful.

Copyright © 2010 Ryan P. Murphy

Energy comes from somewhere – Nothing is free.

Copyright © 2010 Ryan P. Murphy

Energy can be transformed from one form to another.

Copyright © 2010 Ryan P. Murphy

Energy can be transformed from one form to another.

Copyright © 2010 Ryan P. Murphy

Energy can be transformed from one form to another.

Copyright © 2010 Ryan P. Murphy

Energy can be transformed from one form to another.

Copyright © 2010 Ryan P. Murphy

Energy can be transformed from one form to another.

Copyright © 2010 Ryan P. Murphy

Energy can be transformed from one form to another.

Copyright © 2010 Ryan P. Murphy

Energy can be transformed from one form to another.

Copyright © 2010 Ryan P. Murphy

Energy can be transformed from one form to another.

Copyright © 2010 Ryan P. Murphy

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

Area of Focus: Forms of Energy

Copyright © 2010 Ryan P. Murphy

The seven forms of energy-------

Copyright © 2010 Ryan P. Murphy

Mechanical

Copyright © 2010 Ryan P. Murphy

• Review! Mechanical Energy:  The sum of kinetic and potential energy.

Copyright © 2010 Ryan P. Murphy

• Review! Mechanical Energy:  The sum of kinetic and potential energy.

Copyright © 2010 Ryan P. Murphy

• Potential Energy: (PE) The energy stored by an object as a result of its position.

Copyright © 2010 Ryan P. Murphy

Potential Enegy (PE) Kinetic Energy (KE)

Potential Enegy (PE) Kinetic Energy (KE)

Potential Enegy (PE) Kinetic Energy (KE)

• 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

• 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

• Can anyone point out PE or KE?

Copyright © 2010 Ryan P. Murphy

Copyright © 2010 Ryan P. Murphy

Copyright © 2010 Ryan P. Murphy

Copyright © 2010 Ryan P. Murphy

Copyright © 2010 Ryan P. Murphy

Copyright © 2010 Ryan P. Murphy

• Activity! PE – KE Skateboarder Simulator• Search Phet Skate Board Demo.• Download program (Free) -

http://phet.colorado.edu/en/simulation/energy-skate-park

Copyright © 2010 Ryan P. Murphy


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