Science for Kids

To make a Water scale you will need:large bowl,baking pan,water,a heavy object,measuring cup. Put the large bowl in the baking pan fill the large bowl with water all the way to the very rim of the bowl.Tip:Put a towel tightly all the way around the large bowl when you are filling the large bowl then remove the towel when you are putting the heavy object in the bowl. Put the heavy object in the large bowl. Some of the water in the large bowl will come out. Then pour the water in the baking pan into the measuring cup. The number of ounces on the measuring cup is the weight of the object.

Try spining a marble or other ball with a top and bottom. This is like earth spining to make day and night. A ball that you can tilt and still have the top and bottem lined up will be best.
Make sure that the surface that you spin the marble or other ball is even.