Classification of Chemicals: Elements, Compounds and Mixtures Kit, three lab activities to help understand the differences between elements, compounds and mixtures, Kit contains enough materials for 15 groups.
Cartesian Diver Only - 4 cm WL 1040, Ideal for Showing Archimedes Principle, with a hollow glass diver, shaped like a diver, with a 10in x 1 1/2in glass cylinder, a rubber sheet and rubber band, Fill the cylinder with water, drop in the diver it floats