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Mythbusters Season 3 Box Set, including the Bathtub Electrocution segment.

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Instant Download of the Who Gets Wetter episode from download the episode on Amazon Instant Video.

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Mythbusters - Bathtub Electrocution

In this episode of the Mythbusters, they test to see whether a person could really electrocute themselves by dropping an appliance (such as a hairdryer) in the bathtub. This is a good segment to show during this unit because you can incorporate concepts from ioinc bonding (e.g. dissociation of ions) to explain why electricity travels through tapwater. They do a few additional tests at the end that show an increase on conductivity when epson salt (magnesium sulfate) is added to the tub, and a decrease in conductivity when bubble bath is added.

Episode: Season 3, episode 6 " Quicksand"

Essential Concepts: Ions, salts, ionic bonding, electricity, conduction, dissociation.

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