Students are given 5 items and values for their mass, volume, density, and whether or not they would float in water. One value in each column is incorrect. Students have to calculate if the mass, volume, density, or ability to float in water is incorrect and then give an explanation as to why that value is incorrect and how they could correct it. There are also discussion questions involving water displacement to find the volume of an irregular object and the density of one piece of an item vers