C12
C12 & C 20
C20
C20
C21
100
Type of force responsible for the repulsion between two positively-charged particles
What is "electric?"
100
As an astronaut travels far away from Earth, her weight...
What is "decreases?"
100
The type of current in your school is mostly...
What is "alternating?"
100
The number of paths a charge can flow through in a series circuit
What is "one?"
100
The force a magnet exerts on another magnet, on iron or a similar metal, or on moving charges is...
What is "magnetic force?"
200
the universal force that acts only on the protons and neutrons in a nucleus
What is "strong nuclear?"
200
If an atom gains electrons, it becomes a...
What is "negatively charged ion?"
200
A material that allows charges to flow easily
What is "electrical conductor?"
200
Most of the circuits in your home are this type
What is "parallel circuit?"
200
True or False. Like poles attract each other, and opposite poles repel each other.
What is "false?"
300
the weakest universal force of this group: electric, gravitational, electromagnetic, nuclear
What is "gravitational?"
300
Look at drawing A on the board. If these two charges were brought near each other, they would...
What is "attract each other?"
300
True or False. Resistance is affected by a material's thickness, length, and temperature.
What is "true?"
300
The unit of electric power
What is a "watt?"
300
The name of the area surrounding Earth that is influenced by Earth's magnetic field...
What is "magnetosphere?"
400
When opposite poles of two magnets are brought together, the poles...
What is "attract each other?"
400
Walking across a carpet is an example of charge being transferred by...
What is "friction?"
400
How could you reduce the resistance of a metal wire?
What is "increase its thickness?"
400
Electrical safety can be provided by these three things...
What is "1)circuit breaker, 2)fuse, and 3)ground-fault circuit interrupter?"
400
A permanent magnet can be demagnetized by...
What is "heating or beating?"
500
The force that keeps an object moving in a circle is called...
What is "centripetal force?"
500
The type of current produced by a battery is called...
What is "direct?"
500
The formula "V=IxR" represents what law?
What is "Ohm's Law?"
500
A ground-fault circuit interrupter shuts down a circuit if it...
What is "senses unequal currents?"
500
A coil of wire that is carrying a current and produces a magnetic field is a...
What is "solenoid?"
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