electricity Flashcards
(27 cards)
what fills up a light bulb
gas
what kind of wires are inside a light bulb
support wires & lead wires
what is the material a light bulb made of
glass
what’s at the very bottom of a light bulb
metal tip
what is above the screw in a light bulb
stempress
a material that allows an electric current to move easily though it is called what?
conductor
a material that does not allow an electric current to move easily is called what
insulator
what is the object in a circuit from which the electrons/electric current start flowing
source
what are two examples of sources
a battery or a wall electrical outlet
the object in a circuit that the electrons/electric current flow to. This object turns on as a result
the load
occurs when two objects are rubbed together and electrons from one object are transferred to the other object, which produces an electric charge
static electricity
a force that pulls objects together
attraction
a force that pushes objects apart
repulsion
particles that flow through a circuit and produce an electric current
electrons
In a circuit, ____flows from the negative side of the power source, around the circuit, and back to the positive side of the power source
electrons
in what kind of circuit is there only one pathway through which electrons can travel. Because of this, if one light bulb goes out in a _____ circuit, any other light bulbs will go out.
series circuit
In this kind of circuit, there is more than one pathway through which ____can travel. Because of this, if one light bulb goes out in a ___ circuit, any other light bulbs will stay on.
Parallel circuit….electrons…..parallel circuit
Objects with ____charges (one with positive charge and one with a negative charge) will ____.
opposite charges….attract
Objects with _____charges (both positive or both negative) will _____.
same charges….repel
this has a complete pathway through which electrons can travel through the source to the load and then back to the source.
closed circuits
This has an opening in the circuit, so the electrons can’t follow a complete pathway. This type doesn’t let the current to flow.
open circuit.
what are good conductors
metals like silver, copper, and iron
what is part of a light bulb and heats up to product light
filamint
what is the largest form of static electricity
lightning
