Electricity
small particles of electricity
What is an electric charge?
objects that have the same number of positive and negative charges
What is neutral?
an object that attracts certain metals
What is a magnet?
What is magnetism?
Objects with the same kind of chare push away from, or _____, each other.
What is repel?
a form of energy that involves the flow of electrical charges
What is electricity?
when electrical charges build up on the surface of an object
What is static electricity?
the area around a magnet where the force of a magnet can act
What is a magnetic field?
What is an electromagnet?
Objects with the opposite charges pull toward, or ____, each other.
What is attract?
the continuous flow of negative charges through a material
What is current electricity?
a circuit that connects several objects in one complete path
What is a series circuit?
produces electricity by using a coil of wire and a magnet
the ends of a magnet
What are poles?
two kinds of charges that particles of matter can have
What are negative and positive?
all matter is made up of this
What are small particles with an electric charge (also known as atoms)?
the action needed to transfer negative charges
What is rubbing or touching?
True or False: Magnetism and electricity are not related.
What is false?
caused by a current flowing through a circuit
a circuit that has more than one path
What is a parallel circuit?
two things every circuit has
What are an unbroken path and a power source?
use these to oppose (or limit) the flow of electricity
What are resistors?
three ways power plants make generators work
What is wind, steam, or water?
two ways magnets can be used to produce electricity
What are 1) by moving a magnet through a coil of wire, and 2) by moving a coil of wire through a magnetic field.
two ways to strengthen an electromagnet
What are 1) adding more coils to the wire, and 2) increasing the current.