Electric Charge and Static Electricity
Electric Current I
Electric Current II
Batteries
Miscellaneous
100
They attract each other.
How do charges that are opposite behave?
100
Insulator
What type of material does NOT transfer electric charge well?
100
Voltage
What causes a current in an electric circuit?
100
Alessandro Volta
Who built the first battery?
100
Series circuits only have one path for current to travel. Parallel circuits have several paths for a current to travel.
What is the difference between series and parallel circuits.
200
They repel each other.
How do like electric charges behave?
200
Conductor
What type of material does transfer electric charge well?
200
Resistance
What do you call the measure of how difficult it is for charges to flow through a material?
200
Electrodes in an electrolyte
What is an electrochemical cell made of?
200
The device(s) on the circuit will not work. Current will be stopped.
What will happen if a circuit is open?
300
On board
Draw the electric field of a positive charge.
300
Charges flow continuously from one place to another.
How is electric current produced?
300
Diameter, length, material, and temperature of the wire.
Name the four factors that determine resistance.
300
Silver and Zinc were electrodes salt water was his electrolyte.
Describe the parts of Volta's electrochemical cell.
300
A short wire have less resistance than long wires.
Explain resistance in terms of length.
400
On board.
Draw the electric field of a negative charge.
400
Electric circuit.
What is a complete, unbroken path through which charges flow?
400
More
The lower the resistance the __________ current there is for a given voltage.
400
Wet cells have a liquid electrolyte Dry cells have a paste electrolyte
What is the difference between wet and dry electrochemical cells?
400
large diameters have less resistance than small diameters
Explain resistance in terms of diameter.
500
The buildup of charges on an object.
What is static electricity?
500
The continuous flow of electric charges through a material.
Define electric current.
500
Insulator
What kind of material has MORE resistance?
500
Have devices that are run by electrical energy Have a source of electrical energy Connected by conducting wires.
What is are the three features of a circuit?
500
The cooler the material, the less the resistance. The warmer the material, the more the resistance.
Explain resistance in terms of temperature.
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