Steps What do you want to investigate to explain how the junkyard magnet works?

The scrap heap magnet is basically a giant electromagnet that is powered by a very large battery. It works the same way an ordinary electromagnet works. Thick insulated copper wire is wound around a soft iron core. ... When the current passes it becomes very strong and attracts all the magnetic materials in the scrap.

Explanation:

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation: