basic electricity
TRANSCRIPT
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Basic Electricity
By: Vanessa Flores
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Electricity• We use electricity on
a daily basis.• Electrical outlets are
in our houses.• During
thunderstorms we see lightning.
• Electricity is what allows us to use the things we can’t live without such as TV's, laptops, iPod's, and cell phones.
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The Basics• Electrons start
electricity.• They are found in atoms
and have a negative charge.
• Each atom has one or more electrons.
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Insulators• Electrons are attracted
to their atoms in materials such as water, aluminum, wood, glass and other things.
• Since electrons cant move they don’t conduct electricity.
• Materials that aren't good conductors of electricity are called insulators.
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Conductors• Metals such as gold
silver, copper and others have electrons that leave their atoms and roam around freely. They are called free electrons.
• Free electrons make it easy for electricity to go through the metals and make them good conductors.
• Metals that easily conduct electricity are called electrical conductors.
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Circuits• An electrical circuit is a type
of device that uses electricity to light up things such as a lamp.
• They have a source of electricity, a load, and two wires which carry the electricity from the battery to the load.
• Electrons go from the source, to the load, and back to where it started.
• Resistors are present in circuits and they slow down the electricity.
• There are different types of circuits, series and parallel.
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Series Circuits• Series circuits have only
one pathway for the electrons to go through.
• Its resistors are connected in a line.
• The current goes through easily through each resistor since there isn't any other way for it to go to.
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Parallel Circuits
• Parallel circuits have more than one path for electricity to travel through.
• There are several pathways, each with its own resistor.
• When the current goes through it is split since it goes through the other pathways.