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Electricity: A First Look

17 minutes 51 seconds

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Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

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Powerline tower with numerous powerlines. Caption: reaches our homes and schools over cables and wires…

What is electricity and how is it made? What kinds are there? What are circuits and switches? Is electricity dangerous? Answers these questions with easy-to-duplicate experiments.

Media Details

Runtime: 17 minutes 51 seconds

Topic: Science
Subtopic: Electricity and Magnetism
Grade/Interest Level: 2 - 6
Standards:

Release Year: 2001
Producer/Distributor: Rainbow Educational Media
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Measurement device placed on a circuit powered by three AA batteries. Device shows 0.05 on the display. Caption: (Adabot) zero point zero five amperes.

Person speaking. Illustration of a battery. Caption: A battery uses chemistry to create electricity.

Illustration of a circuit board with a tubular object bridging two paths. Caption: In this circuit, I'm filtering power.

Rectangular diagram with objects moving clockwise around the perimeter. Caption: Electrons flow through the diode in one direction,

Machine labelled DS1052E Digital Oscilloscope with a wavy line across the screen and complex controls. Caption: We measure frequency in units called hertz.

Person in a workshop holding a power cord with three prongs. Caption: The answer is these three-prong cables are grounded.

Person and a robot in a workshop with a laptop in front of them. Caption: Hertz is how many times something happens per second.

Closeup of a complex circuit board with capacitors and other structures. Caption: But ICs, well -- ICs can have lots of connections.

Joules = force x distance. Caption: we multiply force and distance

Person and a robot standing in front of shelves full of boxes. Caption: Kits? What's a kit?

Viewer Comments

Dorothy K. (Deltona, FL)

January 7th, 2022 at 09:51 AM

At the end of this video there is a review of each segment of the video which really helps wrap up the objectives.