Take your salt crystal lessons from 2-D to 3-D. These colorful sodium chloride ion models will help your students discover the cubic nature of salt crystals, efficient lattice packing, high melting temperature, brittleness and cleavage planes.
Your students will discover the basic repeating structure of amino acids by building 2 models. Then, they can form a dipeptide bond, linking the 2 models together and creating a chain.
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