Show:
Magnets
Electric Current
Static Electricity
Hodge Podge
Chance
100
On a bar magnet, this is where the magnetic field is weakest
What is in the center, or middle of the magnet?
100
This is the difference between Electric Current and Static Electricity
What is electric current flows, or the electrons flow? Static electricity is just a build up of electricity that can discharge
100
The build up of charges on an object is called _____?
What is static electricity?
100
Rubber, glass, plastic - these are all examples of what?
What are insulators?
100
This is the charge of an electron
What is negative?
200
A magnet that keeps its magnetism is called?
What is a permanent magnet?
200
You have a thin wire and a thick wire, which one has less resistance?
What is the thicker wire?
200
If you rub a balloon on your head, it will pick up what charge?
What is negative?
200
These are types of materials that do not conduct electricity well..
What are insulators?
200
A magnet that easily loses its magnetism is called a ______?
What is a temporary magnet?
300
Any material that attracts iron or other materials that contain iron is called ____?
What is a magnet?
300
Electricity is the flow of tiny particles called
What are electrons?
300
If you rub a balloon on your shirt and stick it to the ceiling, what charge must the ceiling have?
What is a positive charge?
300
Paper clips, wire, metal bars, - these are all examples of .
What are conductors?
300
Just like a bar magnet, the Earth has a ______ surrounding it.
What is magnetic field?
400
The attraction or repulsion between magnetic poles is called?
What is magnetic force?
400
The flow of electric charge, or electrons is called
What is electric current?
400
It's winter...you are at home in your socks. You walk to the kitchen and when you go to turn on the lights, you get a shock. Describe what happened?
As you walked, you picked up electrons from the rubbing of the socks on the floor. When you went to touch the light switch they discharged, giving you a shock.
400
Electricity is measured in this unit?
What are volts?
400
In order for an electric circuit to work, it must do what?
What is be circular, or go out and come back? Or, it must have a complete path to travel.
500
A grouping of atoms that have their magnetic fields aligned is known as a ______?
What is a magnetic domain?
500
The resistance of a lamp increases, but the voltage stays the same. What happens to the amount of power used by the lamp?
What is it decreases?
500
Why can a balloon make your hair stand on end?
Because the positive charge in your hair is attracted to the negative charge of the balloon?
500
Give an example of static discharge.
What is lightening?
500
The attraction or repulsion between magnetic poles is called?
What is magnetic force?