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When electric current flows along a closed path it forms this.
What is an electric circuit?
THis is the accumulation of electrons on the surface of an object.
What is static electricity?
This device turns sound into electricity.
What is a microphone?
The flow of electrons is called
Electric Current
Materials that allow electricity to move through them easily
What are conductors?
This wavelength is just above visible light?
What is ultraviolet?
This is the current that comes out of a wall plug in your house.
What is alternating current (AC)?
This type of circuit has a single path for electricity to flow.
What is a series circuit?
THis device "opens" and "closes a circuit, thereby controling the flow of electricity.
What is a switch?
Copper is an example of _______.
A conductor.
This part of an atom can move from one atom to another resulting in electricity.
What are electrons?
This area of the spectrum has the lowest frequency and the longest wavelength.
What is radio?
This kind of electricity comes from a battery.
What is direct current (DC)?
Objects that have the same number of positive and negative charges are this.
What is electrically neutral.?
This device turns Electricity into sound.
What is a speaker?
What is the purpose of a switch?
The switch opens and closes the circuit.
Materials that do not allow electricity to move through them easily
Insulator
All waves travel this speed.
What is the speed of light?
The two particles found inside the nucleus of an atom.
What are protons and neutrons?
This circuit provides multiple paths for current to flow through.
What is a parallel circuit?
This device increases or decreases the voltage of an AC current.
What is a transformer?
What part of the atom moves around the nucleus.
Electrons
Atoms are made up of?
Electrons, protons and neutrons.
This EM wave is just below infrared on the spectrum.
What are microwaves?
In the U. S., this form of current has a voltage of 120 and changes direction 60 times in one second (60 hertz).
What is AC current?
This device turns electricity into motion.
What is a motor?
This device turns motion into electricity.
What is a generator?
What happens when two objects rub against each other?
They gain or lose electrons.
Plastic, glass, and rubber are good examples of these.
What are insulators?
This EM waves have the highest frequency and lowest wavelegth.
What are gamma rays?