3.1
3.2
3.3
3.4
3.6
100
They repel.
Do like charges repel or attract?
100
They are direct & alternating current.
What are the two types of electric current?
100
An energy source, electrical conductor, and load are the _____ _____ _____.
What are the three basic parts of an electric circuit?
100
It's anything that attracts iron objects and has a magnetic force.
What is a magnet?
100
It's an object that can control the flow of electrons.
What is an electronic device?
200
They are friction, contact, & induction.
What are the 3 ways that objects can gain/lose electrons?
200
Electric potential is another word.
What's another word for voltage?
200
One example is that in a _______ _______, the charges follow 1 path while _________ ________ have multiple paths.
Name a difference between a series circuit and a parallel circuit.
200
They are the north pole and south pole.
What are the two poles on a magnet?
200
They are analog and digital signals.
What are the two types of signals?
300
An example is silicon.
What is an example of a semiconductor?
300
They are measured with amperes, volts, and ohms, repectively.
What is electric current, volatge, and resistance measured in?
300
Some examples: don't use electric devices near water, don't use appliances with worn/damaged power cords, and pay attention to warning signs.
Name three safety precautions for protection from electric currents.
300
They are groups of atoms where the north & south poles line up to make a magnetic field.
What are domains?
300
Electronic devices are more sophisticated than electrical devices (ex. computer vs. toaster).
What's the difference between electronic and electrical devices?
400
It stays the same.
Can the total amount of charge increase/decrease or does it stay the same?
400
Insulators, thinness, longer objects, and warmer objects have _____ ______, respectively.
Which composition/thickness/length/temperature creates the highest resistance?
400
Fuses, circuit breakers, and ground fault circuit interrupters (GFCTs) are a few.
Name three common safety devices for electric currents.
400
Examples are iron, anything iron wrapped in electric wire, and soft iron, respectively.
What are some examples of ferromagnets, electromagnets, and temporary magnets?
400
A ___ is a binary digit, and a ____ is a string of eight ____.
What are bits and bytes?
500
Electrons __________ ________ things.
What makes something electrically charged?
500
Electric current ____ through an _______ ____.
What flows through an electric wire?
500
They direct electric currents where needed with conductors, different paths, switches, etc.
How do electric circuits work/what do electric circuits do?
500
It is the attraction/repulsion between objects due to electric charge.
What is magnetism?
500
They are devices that use electricity to function. Over time, they have _______ in ways like diminished size, more efficiency, etc.
What are electronics, and how have they changed?
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