An object that attracts iron and other materials that have magnetic qualities similar to iron
What is magnet?
Atoms with equal numbers of protons and electrons have a neutral charge, since their charges cancel each other out.
What is electrically neutral?
Moving electrons have what type of energy?
What is kinetic energy?
This is used when the electric energy source needs to be small and portable.
What is a battery?
Any material that a magnet attracts is a _________.
What is a magnetic material?
An unbalanced amount of positive/negative charge is called electrically charged? True or false
What is True.
Name the 2 types of electric currents.
What is direct current and alternating current.
Machines that transform mechanical energy into electric energy.
What is a generator?
It is a push or a pull a magnetic field applies to wither a magnetic material or an electric current.
What is magnetic force?
A negatively charged object has GAINED one or more electrons. True or false
What is True?
What can be an example of an alternating current?
What is a battery.
What are the two types of circuits?
What are parallel and series?
True or False: All magnets have a north and south pole.
What is True?
Name an example of an electric insulator.
plastic, wood, glass
Electric circuit - a _______, complete path in which an electric current flows.
What is closed.
Electric transformation is the measure of how difficult it is for an electric current to flow in a material. True or False
False. What is Electric resistance.
Iron
Nickel
Cobalt
Alnico
What is the definition of an electric force?
The force that two electrically charged objects apply to each other
What 4 things does a circuit need?
A source of electric energy
An electric device (such as a lightbulb)
An electric conductor, such as wire
A switch is often included to stop the flow of electricity when not in use
Draw how a parallel and a series circuit looks like.