Show:
Circuits/Electrity
Conductors/Insulators
Electrical Forces
Electric Current
Magnetism
100
Opens and closes circuits.
What is a switch?
100
Copper, silver, aluminum, iron, gold, steel and water are all examples.
What are conductors?
100
------ charges attract, while ------- charges repel.
What is like and unlike?
100
The measure of how difficult it is for electrons to flow in an object.
What is electric resistance?
100
Iron, nickel, and cobalt are all ------- materials.
What is magnetic?
200
Build up (imbalance) of electrons that can be discharged.
What is static electricity?
200
A --------- is a material through which electric charge can easily flow.
What is a conductor?
200
The electric force decreases as the distance between the object ____________.
What is increases?
200
The measure of the amount of electrical energy.
What is voltage?
200
Every magnet (no matter size) has __________ at both ends?
What are poles?
300
The flow of electric charges is ____________ ___________.
What is an electric current?
300
This does not allow electrons to flow throughout it freely.
What is an insulator?
300
The rearrangement of electric charge due to the presence of an electrical field? (sticking balloon to the wall)
What is charging by induction?
300
Law about the relationship between voltage, current, and resistance.
What is Ohm's Law?
300
An object used by humans to determine location that requires magnetism to work correctly.
What is a compass?
400
In a ___________ ___________ devices are connected with one closed path.
What is a series circuit?
400
Rubber, wood, many plastics, glass, dry air, sand, and cloth are examples of this.
What is an insulator?
400
An example of electric discharge in nature.
What is lightning? (something close)
400
Electricity flows from the __________terminal of the battery to the ____________ terminal.
What is negative to the positive?
400
Opposites ______________.
What is attract?
500
In _________ ____________, since there is more than one path of electricity to each device, shutting off one switch will not turn off all the lights.
What is a parrallel circuit?
500
The conductor is located _________ the wire. It is surrounded by the __________.
What is inside and insulator?
500
This can protect a building from lightning, by providing a path for the electricity to the ground.
What is a grounding wire/lightning rod?
500
If there is a break in the flow of electricity, you have?
What is an open circuit?
500
Two north poles would ______________.
What is repel?