circuits
This circuit has no breaks in it.
What is a closed circuit?
Unlike charges in a magnet will react in this way.
What is attract?
A material that an electric charge flows through easily can be this _____________.
What is a conductor?
This powers a maglev train.
What is an electromagnetic?
This is the carrying away of rock, sand or soil.
What is erosion?
An object that transforms electricity into sound energy.
What is a speaker, or radio?
This magnet can be turned on and off.
What is an electromagnet?
What is an electromagnet?
This may happen if I wrap wire around an iron core in an electromagnet.
What is the electromagnets strength will increase?
This would be a name for the wire inside a lightbulb.
What is a filament?
When electricity has only one path to flow it is this type of circuit.
What is a series circuit?
Like charges in a magnet will do this. EX north to north
What is repel?
What is an insulator?
2 characteristics of an electromagnet are___________ & _____________.
What is they can be turned on and off AND you can change their strength?
This is all the matter the matter in an object.
What is mass?
A break in a circuit is called ______.
What is an open circuit?
Hans Christian Oerstead discovered this accidentally.
What is a magnetic field?
A parallel circuit has this.
What is more than one path for electricity to flow through?
One place you could find an electromagnet?
What is a doorbell?
A toaster has this, it gets hot and transfers electric energy to heat energy.
What is a resistor?
This circuit has more than one path for energy to flow.
What is a parallel circuit?
Compass needles point North for this reason.
What is Earth's magnetic poles?
This force acts on moving electric charges and magnetic materials.
What is magnetism?
Name two ways to make an electromagnet stronger?
What is wrap it with more coils, or add stronger power source?
Energy stored in an object.
What is potential energy?