Quick and easy science experiment to use with your students! Student will use water, a glass, and a cork to learn more about buoyancy, surface tension, cause and effect, and the process of experiment writing. This is very engaging for kids of most ages! It's up to you how in-depth you go with the science behind the experiment - a detailed explanation of how this experiment works is included! Everything you need to launch experiment writing in your classroom with simple and engaging experiments!