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Vocabulary Words
Circuits
Random
Batteries
Charging
100
A closed path where electricity can flow.
Circuit
100
What is one advantage of a series circuit?
Cheaper Less wires When one part breaks, you will know
100
What is Ohm's law
I= V/R
100
As voltage difference increases, current _________?
Decreases
100
Plugging your cellphone into the wall charger to charge is an example of charging by?
Contact
200
A measurement of how difficult it is to pass electricity through something.
Resistance
200
What is one advantage of a parallel circuit?
When one bulb goes out, the rest stay on Brighter lights
200
What three things affect an objects resistance?
Diameter Length Resistivity
200
How do electrons flow in a battery?
From negative to positive
200
The build up of electric charge without contact is?
Induction
300
Charge cannot be created or destroyed.
Law of conservation of charge
300
How do you calculate voltage in a circuit?
Add it up!
300
What do insulators do?
Decreases the flow of electricity
300
What two chemical reactions take place in a battery to produce a voltage difference?
Releasing electrons, absorbing electrons
300
Objects with the same charges ______, and objects with opposite charges _______.
repel, attract
400
The build up of electric charges on an object.
Static electricity
400
Why does removing one light bulb from a parallel circuit not affect the other light bulbs?
Because there are multiple paths for the current to flow through.
400
What is the purpose of a circuit breaker?
They break a path when a current is overloaded.
400
Batteries store energy in the form of chemical energy and convert that energy into ________.
Electrical energy
400
Which part of the atom is negative?
Electrons
500
Work (Electrical Energy) over Time
Electrical power
500
How do you calculate the resistance in a circuit?
R=I/V
500
Explain why a pair of scissors with a plastic handle can be a conductor and an insulator.
Plastic handle - insulator Metal part - conductor
500
Which battery produced more voltage? D battery or ice tray battery?
Ice tray battery
500
Name one example of charging by induction
Any kind of wireless charging Rubbing a balloon on your shirt then putting it close to someone else's head.