Miss Jones had been giving her second-grade students a lesson on science.©OFFICEJOKES.NET

She had explained about magnets and showed how they would pick up nails and other bits of iron©OFFICEJOKES.NET

Now it was question time and she asked, "My name begins with the letter `M' and I pick up things. What am I?"©OFFICEJOKES.NET

A little boy on the front row said, "You're a mother."