What are conductors? What are some examples of conductors?
Materials electric current can move through easily.
Examples are copper, aluminum, and many metals.
200
What is a magnetic field?
The space in which a force of a magnet can act
300
What does attract mean?
To pull towards
300
What are insulators? What are some examples of insulators?
Materials where electric charges cannot move easily through.
Examples are plastic, rubber, glass, air, and wood.
300
As the distance from a magnet increases, its force of magnetism
(increases or decreases)
Decreases
400
What does static electricity mean?
The build-up of electric charge
400
What is an electric current?
A continuous flow of electric charges
400
What instrument did sailors use in the past to help them find their way across the ocean?
A compass
500
Why do we get shocked sometimes?
The negative charge build-up jumps from you to another object so we get shocked.
500
What is the difference between an open circuit and a closed circuit?
An open circuit has a gap, which causes the circuit to be incomplete. The light will not turn on with an open circuit.
A closed circuit has no gaps, which allows a circuit to flow through completely. The light turns on with a closed circuit.
500
How does a compass work?
The needle lines up north with the earth's magnetic field.