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Safety Neodymium magnets, especially large ones, are incredibly powerful. Don't ever allow the magnets snap together, if you don't absolutely need to for the experiment. The snapping force of two neodymium magnets is powerful enough to shatter an individual finger and break bones. Also, a few of the following experiments involve high heat. Take necessary precautions around high temperature, like safety goggles, protective clothing and gloves. Learning the Basics of Magnetism You most likely don't need to do an experiment to learn that two magnets can attract or repel the other. However, maybe you don't know the actual properties of the magnets that allow these to make this happen. Unfortunately, it is likely you don't have kit to measure magnetic fields or do complicated experiments to express to you just how magnets tick. It is exactly what research is for. However, you can study some fundamental ideas about magnetic polarity, that's the basis reason for magnetic repulsion and attraction. First, be sure to have a few neodymium magnets inside a bar shape. Unfortunately, you will be destroying most of these. The 1st experiment involves chopping a magnet in half to look at that this poles realign themselves after accomplishing this. Allow two bar magnets to draw in and are avalable together end-to-end. Then, mark the 2 sides that attract with one colour of marker, as well as the other ends with another color. Now, drive them apart and snap one magnet in two using a hammer and chisel. You should definitely try this safely. Consider the two snapped segments and color the ends that were just made the color that is opposite one other end. Finally, observe whether or not the 3 magnets work as their colors say they must. You ought to record whether, on the 3 magnets, ends of the same color attract or repel. Selling it to the Curie Point It is probably the most fun try out magnetism. Please take a small sample of neodymium magnet and remove its outer shell. This shell could possibly be made from plastic or metal, but will need to be removed to avoid burning harmful fumes. Like with burning most relatively unknown substances, experts recommend one wears some type of mask or respirator. If the shell is removed, test to ensure that the magnet still attracts things like paper clips. Once you know it does, please take a propane torch and heat the magnet until it becomes slightly hotdog. Should you have a tool like a thermocouple along with the proper equipment for operating it at high temperatures, quite a few to measure the temperature on the magnet. Having a thermocouple, heat the magnet until it truly is at about 240 degrees Celsius. Taking it to in demand is a bit excessive, but it is tough to otherwise know whether you've got heated it sufficiently folks who wants measure the temperature. Now, try the magnet again within the paper clips. When you heated it properly, it shouldn't become a magnet. N35 neodymium magnets This is because it is often heated past its Curie Point, or even the temperature of which the magnet loses its magnetic properties. If required, repeat the N50 neodymium magnets experience other styles of magnets to look at the direction they lose their magnetism because of the connection between heat.