Forms of Energy
Kinetic and potential energy are types of this
What is mechanical energy?
or
What are the two types of mechanical energy?
A flow of electric charge in a material
What is electric current?
The space around a magnet
What is a magnetic field?
Electromagnets are used in these
What are any of the following:
cd players, radios, speakers, fans, hair dryers, computers
You get this type of energy from food
What is chemical energy?
A closed path along which current can flow
What is an electric circuit
A south and a north pole
What does every magnet have?
This device changes electrical energy to kinetic energy
What is an electric motor?
This type of energy moves from one object to another as heat
What is thermal energy?
Using the wrong amount of this can damage an electric device
What is volts?
They align in a north/south direction
What do all compass needles do?
What do two poles do when they are near each other?
This kind of energy is due to the movement of electrons
What is electrical energy?
This is a good conductor and a good choice for electrical wires
What is copper?
In 1600, William Gilbert suggested that the Earth was this
What is a giant magnet?
A device that changes mechanical energy into electrical energy
What is a generator?
This is stored in the nucleus of an atom
What is nuclear energy?
This is a good insulator
What is rubber?
This is a large number of atoms with their atoms pointing in the same direction
What is a magnetic domain?
A permanent magnet and a coil of wire
What are the main parts of a small generator?