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Take your salt crystal lessons from 2-D to 3D. 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.
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Find additional information about the contents of your NaCl Lattice© from 3D Molecular Designs.
Your students will use magnetic sodium chloride ion models and a guided-inquiry approach to explore the properties of NaCl. They will feel the ionic bonding between sodium and chloride and learn about the postitive and negative charges of sodium and chloride, before discovering the 6:6 coordination in sodium and chloride crystal formation.
The NaCl Lattice activity by 3D Molecular Designs, intended for grades 3-5, uses the sodium chloride magnetic models and a guided-inquiry approach. It will help students begin to recognize multiple ways of solving a problem, practice pattern recognition, and make and test predictions.
View magnified images of salt crystals and an explanation of the relationship between the arrangement of the ions in a typical ionic solid like sodium chloride, and its physical properties: melting point, boiling point, brittleness, solubility and electrical behavior.
NaCl Lattice Connections to: A Framework for K-12 Science Education Practices, Crosscutting Concepts, and Core Ideas
Upper Elementary Middle School High School College
2-4
Choking Hazard Small Magnets Science Education Product California Proposition 65
4x4x4 Lattice $215 (NACL-04) 3x3x3 Lattice $99 (NACL-03)
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Demonstrate how salt cleaves off in planes by seperating layers with a twist of your wrists.
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