Magnetism Science Lab

This week, we did a lab in Science on how extreme temperatures affect the strength of a magnet. I was in Lindsey, Claire, and Ryan S's group. First, we put the magnet in a bowl of BB's three times and averaged the number of BB's collected. Then , we heated up the Bunsen burners to about 100 degrees celsius and boiled the water with the magnet in it. Once the water reached the 100 mark, we let the magnet stay in the water for about 2 more minutes and then tested it in the BB's. Next, we tested the magnet in dry ice. The temperature of the dry ice was approx. -75 degrees celsius. We stuck the magnet in the dry ice fro about 5 minutes. After the 5 minutes was up, we tested the magnet in the BB's just like we did with the hot water. Using the information that my group collected, we determined that the magnet's strength increases when it is in coller temperatures. The magnet collected more BB's after the dry ice than the hot water. I relly enjoyed this lab and had a lot of fun doing it.