Attention to Detail

Science class.  Seventh grade.  The teacher handed out a piece of paper and said it was a test.  He told us to read through the instructions.  It's a test that I still remember to this day.  Why?  Because I failed it. Recently, to my surprise, I stumbled upon a picture of that test on the Internet:

It was my science teacher's way of showing us how to  follow directions and pay attention to detail. It worked. Failure is a great teacher.