Electricity I
Materials that allow electric charges to flow through it easily
Electrical conductor
How you get a balloon to stick to your head
static electricity
A device that can open or close a circuit.
switch.
Oppositely charge objects _____________ each other.
attract.
Which is a good electrical conductor: A) plastic B) wood C) rubber D) metal
D) metal.
Resistor in an incandescent light bulb
Filament
_____________ is an electrical wire, a resistor, and power source continuously connected.
Closed circuit
Electrons in a circuit are pushed away from a battery's ____________ pole.
negative.
All matter is made of___________
atoms
A battery converts chemical energy into _______________.
electrical energy.
Flow of electric charge
Electric current
Material through which an electrical current moves slowly
Insulator
Two or more paths for electric current to flow
Parallel circuit
Select a good electrical insulator:
A) Rubber, B) Silver, C) Water, D) Wet wood
A) Rubber
Path of electric charge
Electric circuit
An object in an electrical circuit that resists the flow of electrons.
resistor.
_____________ when the wire is taken from the circuit, the bulb stops working.
Open circuit
Energy efficient lightbulb that does not give off much heat
LED
Energy generated by the movement of electric charges
Electrical power
Electrical current is the flow of moving _______________.
electrons.
When electrons move quickly from one atom to another is it called ____________________.
Electricity
A ____________ is a material that current can pass through easily, like metals.
Conductor
Electrons in a circuit are pulled toward the battery's __________ pole.
positive.
A filament is a type of
resistor
It provides energy, making electrical charges move in the circuit.
Battery or Source of electricity