Vocabulary
Current
Electricity
Magnetism
Miscellaneous
100
A material that does not allow electricy to flow through it.
insulator
100
A complete circuit through which electricity flows
Closed Circuit
100
What do we call an object that pulls iron, steel, and some other metals?
Magnet
100
One way to make an electromagnet stronger
wind the wire more times on the core
200

I have wires and a light bulb. What else is needed to make an electrical circuit?

A power source

200
An incomplete circuit through which electricity will NOT flow
open circuit
200
A push or a pull
Force
200
Pans used to cook food are usually made of metal. Which statement best explains why? Metal pans are good conductors of heat. Metal pans insulate the food. Metal pans slow down the electrical current Metal pans are the best containers for cooking food.
Metal pans are good conductors of heat.
300
A device used to open and close circuits
switch
300

Which is a conductor of electricity? Iron nail, wooden toothpick or plastic spoon?

Iron nail

300
When an object has negative charges and another object has positive charges, they will what when placed side by side?
Attract
300
Why does a bulb turn off when one opens the switch in a circuit?
The opening of the switch breaks the circuit.
400

When a circuit is ________ it stops the movement of electrical energy.

open

400

Plastic coating is used to cover wires because plastic is a good __________.

insulator

400
When an object has negative charges and another has negative charges, they will what when placed side by side?
Repel
400

Name 2 renewable resources for energy.

Sunlight (Solar), Wind Energy, Water 

500
A substance through which electricity will flow.
Conductor
500

A ceiling fan turns electrical energy into ___________ energy.

mechanical

500
A coil of wire, usually wound around a core of iron or steel, which produces a magnetic field when electricity flows through the wire
Electromagnet
500

Coal and Nuclear Energy are examples of ___________ resources.

nonrenewable

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