Taskyou

1: To investigate how an iron nail is affected by an external magnetic field

Watch the following video on Youtube.

http://youtu.be/nXAdns4xw1Y

Then answer the below questions.

1. In the film, a nail and an Allen key are initially brought towards each other. What?

Answer:

1. Then you let the Allen key rest towards the north end of a pole magnet and then move it towards the nail. What?

Answer:

1. This is repeated, but you let the Allen key rest against the south end of the pole magnetinstead. What?

Answer:

1. Can you take advantage of these properties that you observed in the iron spike/Allen key? Name one or more applications.

Answer: