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Circuits Intro

Published on Mar 07, 2016

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PRESENTATION OUTLINE

1.

Electromagnetism

By: Mrs. Lowery
Photo by Pete Prodoehl
2.

Electrons

Have a negative charge
Photo by TonZ
3.

Electrons

Have a negative charge
Photo by TonZ
4.

Static Electricity

Electrons building up
Photo by njorthr
5.

Electricity

Electrons moving in a path
Photo by Grégory Tonon
6.

circuit = man-made path

7.

Batteries

  • Have positive and negative ends, called terminals
  • Electrons are forced out of the negative side and attracted to the positive side
Photo by James Almond
8.

In a series circuit, electrons go from minus to plus following the same path

Photo by Tyler Daviaux
9.

Parallel circuits provide multiple paths for the electrons

Photo by Michael Branson Smith
10.

circuit Diagrams

  • Wire?
  • Battery?
  • Light bulb?
  • Switch?
  • Resistor?
Photo by matthewvenn
11.

Untitled Slide

Photo by kjarrett
12.

Untitled Slide

Photo by AO'D
13.

Untitled Slide

Photo by Milo Bauman
14.

Components

  • Power source, V (volts)
  • Current, i (amps)
  • Resistance, R (ohms)
  • Ohm's law: V=iR
Photo by clickclickclickclick
15.

Magnetism

Photo by Dan-Cristian Pădureț
16.

Magnets are metals with atoms arranged in a way to make a magnetic field with a north and south pole.

Photo by Dan-Cristian Pădureț
17.

Earth is a magnet

Photo by NASA Goddard Photo and Video
18.

Magnets can be natural or man-made. The first people to use magnets were the Greeks and they used them for navigation.

Photo by Mick Haupt
19.

Magnetic Fields

Photo by oskay
20.

Electricity causes magnetism and magnetism can generate electricity.

Photo by Michiel2005
21.

Untitled Slide

22.

Electromagnetic Spectrum

Photo by Allen Gathman

jes lowery