Jason places a bar magnet on a flat surface and covers it with a sheet of paper. Then he sprinkles a
layer of iron filings on top of the paper. Which diagram shows how filings will line up on the paper?
Which of the following materials will NOT be attracted to a magnet?
a steel nail
an iron nail
an aluminum can
A bar magnet is placed on a desk. A second bar magnet is brought toward the first. Choose the bar
magnet that will be attracted to the first.
Select the correct answer. Which magnet has the least strength?