Rockin' Crystals

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In this activity, students are challenged to put on a show – either a live stage show or a recorded television show – to give a theatrical Earth science demonstration. Several demostrations are suggested for students to master: Growing crystals 1. Crystals from melts 2. Crystals from vapour 3. Crystals from solutions – by evaporation 4. Crystals from solutions – using electricity 5. Who can grow the largest crystal from solution? Modelling crystals 1. Modelling a salt crystal using marshmallows 2. Modelling crystals using cardboard shapes 3. Modelling diamond and graphite 4. Modelling crystal growth using people More about crystals 1. Crystalline or plastic? 2. Make a crystal garden Putting crystals to use 1. Crystals and micrcrophones (and physical weathering) 2. Memory metal 3. Lift with a spring

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