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This Crystals wall chart is a visually engaging educational poster designed to introduce learners to the structure, formation, and classification of crystals. It combines clear explanations with detailed illustrations, making it ideal for classroom teaching, homeschooling, and science revision.
The poster begins by defining what a crystal is, explaining how particles such as atoms, ions, or molecules arrange themselves in regular, repeating patterns. It highlights how crystals of the same substance form with consistent angles and shapes, helping learners understand the concept of ordered structures in solid materials.
A dedicated section on crystallisation explains how crystals are formed through processes such as cooling molten substances, evaporation, and supersaturated solutions. Step-by-step diagrams show how a seed crystal grows in a solution, making this section particularly useful for practical classroom experiments and demonstrations.
The poster also explores crystal colour, explaining how impurities can affect the appearance of crystals. Real examples of polished gems and minerals are included, giving learners a clear connection between theory and real-world materials.
One of the key features of this poster is the section on basic crystal shapes. It presents different crystal systems such as cubic, hexagonal, tetragonal, monoclinic, triclinic, orthorhombic, and rhombic forms. These 3D diagrams help students visually understand how crystals are classified based on their geometric structure.
