In a scrapyard when the workers need to pick up a car there is a crane with a magnet on it. So when they see a car they turn the electric magnet on so it picks up the car and they turn off the electric magnet to drop the car.
increase the current on the electromagnet
First you go to the map and find the scrapyard. Also, a little hint is it is called the kids scrapyard.
the electromagnet makes the door close when a fire alarm goes off
A cell or other (DC) power source must, indeed, be connected to an electromagnet to make it work. It is an electromagnet. Surf the link to our friends at Wikipedia. It's a good article, and the pics are cool.
the armature
it connets to the bottom of the machine
A core
The scrapyard.
It is a magnet which moves metal around the scrap yard. Scientific explanation = It s a big round magnet which is actually an electromagnet. This allows the magnet to be turned on then off. When turned on the electromagnet attracts any magnetic substances. This is why most cars are made of something magnetic! You can move this electromagnet around because it is a crane you pick stuff up move it and then drop it by turning the electromagnet off!
There are 2 syllables in scrapyard:scrap/yard
Vinyl Scrapyard - 2008 was released on: USA: 12 June 2008 (DVD premiere)
The driveshaft carries the power but the whole unit does the work.