Air has many interesting characteristics. It flows and spreads into spaces that are not already occupied. Air can be compressed, and it can also expand.
In this activity, students are introduced to the concept of density. They calculate the volume of various materials to determine and then rank their densities.
In this activity, students make a Cartesian diver to demonstrate the relationship between volume, mass and density. A similar principle is used in Argo scientific floats....
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