1-2+Electrical+Charge+Carriers

inspiration project: Create a concept map summarizing the website from the video. Example http://www.nationalgeographic.com/lightning/

__Section 1-2 vocabulary__ insulator- conductor-

Electrical charges must ? to do work. Electrical charges don't move ?_ __from one place to another through some__ __?_____. The charge did not move through the comb because it was made of__ _?_.

List five examples of insulators: Why do people who work with power lines wear heavy gloves?

List five good conductors:

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Your body is an example of a ?_. Your body provided a __?___ for the charge to travel along. What is a safe place to be during an electrical storm, and why? What is an example of a dangerous place to be during an electrical storm, why?

The bits of foil experience a _? attractive force.

Lightning: Charges build up on ___?___ when moving air currents in a storm cause charged ___?___ __to move around within the clouds. Lightning is actually a very large discharge of__ ___?__ electricity between the clouds or between the cloud and __?___.

Explain what causes thunder.

What do the ground crews of airplanes have to make sure they do, so the plane doesn't explode?

A Van de Graaff generator separates charges and ___?___ one type on the sphere and the other on the ___?___.

__Check Your Understanding Questions__

1. If a charged object touches the end of an insulator, what happens to the charge put on the insulator? What happens on a conductor?

2. How does a charged object attract a small piece of an uncharged conductor?

3. List three examples of how static charges are built up and describe the visible effects of the charges.

4. Why is it safe to be inside a metal enclosure during an electrical storm?