Safety
When it does not have a light bulb, you should never touch this.
What is a light socket?
This object attracts iron and a few other metals.
What is a magnet?
A type of energy in which small particles (electrons) move through a device.
What is electricity?
Anything an electrical current can pass through easily.
What is conductor?
Materials you should never stick in a plug in.
What are metals (such as forks, knives)?
This happens when you put the north pole of one magnet towards the south pole of another magnet.
What is they attract?
Where the current flows from the battery through an electrical device providing power, and returning back to the battery.
What is a closed circuit?
A path along which electric charges can flow.
What is a circuit?
You should never use this while taking a bath.
What are anything that is plugged in (for example a radio)?
Telephones, MRI machines, and computers are all devices that use this.
What is an electromagnet?
Electrons from the hair build on the surface of the plastic.
What is static electricity?
A flow of electric charges along a path.
What is an electric current?
The 3 things you need to make an electromagnet.
What are a battery, wire and iron nail?
Electricity can be changed (converted) into other useful forms of energy by ___________.
What is an electrical device?
Materials that heat or electricity has a hard time flowing through; for example plastic, leather or wood.
What is an insulator?
Which is not an advantage of electromagnets over permanent magnets? Electromagnets can be turned on and off.
The strength of an electromagnet can be controlled by the amount of current.
They are found in nature.
They can be built as big as necessary.
What is found in nature?
Our house plug ins have this many volts.
What is 110 Volts?
The buildup of electric charges on an object.
What is static electricity?