electricity
electricity is a form of this
energy
copper wire
conductor
a path along which electric charges flow
circuit
An object that attracts iron and a few other metals.
magnet
Anything that has mass and takes up space
matter
a giant electrical spark produced by a thunderstorm.
lightning
dry wood
insulator
Another name for an energy receiver or resistance
load
The two poles of a magnet
North and South Poles
what are the three main states of matter
solid, liquid and gas
An electrical charge that builds up on an object
static electricity
cotton
insulator
This object controls the flow of charges by opening and closing the circuit.
switch
Opposite poles do this
attract each other
A characteristic that helps a living thing survive.
adaptation
A steady stream of charges.
current electricity
a nail
conductor
which type of circuit has multiple paths for charges to flow.
parallel circuit
The forces of a magnet are strongest at these points.
at the poles
The process of moving weathered rock from one place to another.
erosion
Wind energy moves through this object which powers a generator that turns the energy into electricity.
wind turbine
your desk
both a conductor (metal legs) and insulator (wood desk top)
when the energy receiver (load) such as a light bulb is on, the circuit is ________.
closed
A device in which current produces magnetism
electromagnet
a scientific guess that can be tested
hypothesis.