Circuits
Electricity flows through a __________.
Circuit
Materials that allow electricity to easily flow through them are called _________.
Conductors
A current flowing through a wire can generate a ________.
a. circuit
b. insulator
c. magnetic field
c. magnetic field
What is static electricity.
The transfer of negatively charged particles.
What transformation is found in a fan.
electrical to mechanical
A simple circuit consists of what 3 objects?
A bulb, wire, and battery.
Materials that do NOT allow electricity to easily flow through them are called ___________.
Insulators
What items are needed to create an electromagnet?
battery, wire, iron nail
What are two examples of static electricity in nature?
Hair standing up, thunder, shocking oneself on a doorknob.
What transformation is found in a solar panel?
radiant to electrical
Open
Which items in this list are conductors?
aluminum, copper, cotton, steel, glass, water, rubber, wood, plastic
aluminum, copper, steel, water
The strength of an electromagnet can be (increased/decreased) by adding more coils to the wire.
increased
What attracts static electricity?
A conductor
What transformation is found in a microwave?
electrical to radiant
A(n) ___________ circuit allows the flow of electricity.
Closed
Which items in this list are insulators?
aluminum, copper, cotton, steel, glass, water, rubber, wood, plastic
cotton, glass, rubber, wood, plastic
How can electromagnets be used in real life?
Static electricity can cause object to be (attracted/repelled) by each other.
attracted
What transformation is found in an oven?
electrical to thermal
A __________ is a device that opens or closes a circuit.
A ________ must be a conductor.
Switch
Would an insulator or conductor be needed to close a circuit?
Conductor
If I connected an electromagnet using a wooden rod instead of an iron nail. Would it work? Why/Why not?
It would not work because the wood is an insulator.
What charge(s) are static electricity attracted to?
positive and neutral
What transformation is found in a television?
electrical to radiant