Terms
Circuits
Transformations
Magnets/Electromagnets
100
What is electricity?
Flow of energy as a current through the circuit.
100
What are the 3 things that are needed in a simple circuit?
bulb, battery, and wires
100
T/F
Energy can be created and destoryed
False
100
T/F
All magnets have a north and south pole
True
200
What is static electricity?
Build up of negative charges that are released as a zap
200
Is this circuit open or closed?
Closed
200
Lamps and lights transform electrical energy into what?
Radiant
200
Current flowing through a wire can generate a what?
Magnetic Field
300
What is a circuit?
The path that electrons follow
300
What is a switch?
a device that opens or closes a circuit, controlling if the electrons can flow or not
300
Blenders, motors, and fans transform electrical energy into?
Mechanical Energy
300
How do you create an electromagnet?
Wrapping coils of wires around an iron-bearing metal and connecting them to a battery
400
What is a conductor?
Materials that allow electricity to flow easily
400
No....
400
Toasters and ovens transform electrical energy into?
Thermal
400
T/F
Electromagnets are used in every day objects like your fridge?
True
500
What is an insulator? and give examples
Materials that do not allow electricity to easily flow.
Cotton, glass, paper, rubber, wood, and plastic
500
A student wanted to make a circuit to show their parents how they worked. They didn't have a mini lightbulbs but only a normal sized one. Why did the battery not glow?
Their power source was to weak.
500
Electrical to thermal
500
The strength of the electromagnet can be affected by what?
4 possible answers
Number of coils, amount of current, how thick the wire is, or how thick the iron core is