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Energy

Energy

Author: Marian Campbell
Description:

To understand that there are many kinds of waves, and that waves transfer energy but do not transfer matter.  

To recognize the differences in how sound energy, light energy, and heat energy move.

To understand that energy cannot be created or destroyed.

This mini-lesson is an introduction to BIG IDEA 11 and designed to prepare students for Ch. 8, lessons 1 & 2 in the Pearson Interactive Text.

BIG IDEA 11:

A. Waves involve a transfer of energy without a transfer of matter.

B. Water and sound waves transfer energy through a material.

C. Light waves can travel through a vacuum and through matter.

D. The Law of Conservation of Energy states that energy is conserved as it transfers from one object to another and from one form to another.

 

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Tutorial

Waves and Energy: Are they related?

What do you already know about waves?  Do you picture a group of people doing the wave at a sporting event?  Do you picture an ocean wave?  Well, you would be correct.  Both of these are ways energy can be transferred.  A wave is a term for all the different ways that energy can be transferred, or moved, from one area to another.

There are sound waves, light waves, water waves, and electromagnetic waves.  All waves transfer energy, but not mass.  The particles in the wave bump into one another, transferring energy. The position of the individual particles do not move. 

Wave if You've Got Energy

Students understand that their are many types of waves.