Magnetism I
When two magnets push away from one another; happens when two north or two south poles meet.
What is repel?
When two magnets draw toward one another; happens when a north and south pole meet.
What is attract?
Batteries are a common source of
What is Electricity?
Type of electricity. Has a build up of positive or negative charges on the surface of an object.
What is static electricity?
A temporary magnet that works only when electricity runs through it.
What is an electromagnet?
The two ends of a magnet.
What are the north and south poles?
A push or pull.
Force.
Type of electricity. Is a flow of electricity in a continuous path.
What is current electricity?
A place that turns energy sources into electrical energy to be sent out for use.
What is a power plant?
What is an advantage of an electromagnet?
It can be turned off.
True or False. All metals are magnetic.
What is false?
A place on a magnet where its pulling force is the strongest.
What is a magnetic pole?
Materials that allow electric current to flow through easily.
What are conductors?
Materials that do not carry electric current easily.
What are insulators?
Area of force that is felt around the magnet. Can be a push or a pull.
What is the magnetic field?
An invisible area where magnetic forces are present.
What is a magnetic field?
The loop (path) along which an electric current travels.
What is a circuit?
Core of earth made of?
Nickel, Iron
This uses the geomagnetic field to find directions.
What is a compass.
An electric circuit with no breaks.
What is a closed circuit?
An electric circuit with a break in it.
What is an open circuit?
Battery, wires, and a lightbulb.
What are the materials to make a simple circuit?