The charges build up in the clouds. The negative charges (electrons) go toward the bottom of the cloud. The positive charges (protons) go toward the top of the ground. They attract and step leaders come down and streamers go up and lightning happens.
300
This happens when you put two south poles of magnets together.
What is they repel?
300
Wood is a good example of what?
What is an insulator?
300
A force when magnetic poles interact.
What is a magnetic force?
300
For a circuit to work, it must be this.
What is a complete closed loop or path?
300
Draw a series circuit.
Answer on board
400
This is a particle with no charge.
What is a neutron?
400
When using a switch with a circuit, the switch must be this in order for it to work.
What is closed?
400
This is the only metal attracted to magnets.
What is iron?
400
This happens if you unscrew a lightbulb in a series circuit.
What is they all go out?
400
Draw a parallel circuit
Answer on board
500
If I wrapped more copper around the core what would happen to the electromagnet?
The strength of the electromagnet would increase.
500
List three good conductors of electricty.
What is aluminum, iron, steel, copper, or any other metal?