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Joseph's Sci Final

Static Electricity and Current Electricity

matter made up of atoms, anything that has mass and takes up space
atoms tiny particles with no charge (equal positive and negative charge)
positive electrical charge (+)
negative electrical charge (-)
attract come close together, opposite charges
repel push away, same charges
neutral no charge
humidity wetness in the air
static electricity the buildup of electrical charge
jump when charge builds up so much it goes from the cloud to the ground
discharge the movement of static electricity into an object, ZAP!
conductors material that electricity flows through easily (metal, water)
insulators material that electricity doesn't flow through easily (wood, air, rubber)
lightning a huge discharge of static electricity from a cloud
circuit path that electricity flows through
current electricity electricity that flows through a circuit
closed circuit a path with no holes, electricity can flow through it
open circuit a path with holes, electricity cannot flow through it
switch tool that can make a circuit open or closed
amperes the measure of how many electrons flow past a place in a circuit
resistor allows electrical energy to turn into heat or light
short circuit a side circuit with low resistance, accidentally made
dry cell changes chemical energy into electrical energy
wet cell has electrodes, changes chemical energy into electrical energy
electrodes negative and positive terminals of a wet cell
series circuit many objects next to each other on a circuit, electricity is shared
parallel circuit each object has its own circuit, electricity has 2 paths to travel through
fuse has a piece of metal that will heat up and melt and make an open circuit
circuit breakers switch that will make an open circuit when electricity flows through it
Created by: crcaumont