Crystals

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Across
  1. 2. crystals have different flat surfaces called ______.
  2. 4. solid material where the molecules fit together in a repeating pattern that creates a unique shape
  3. 7. These types of crystals are used in watches because they vibrate regularly when receiving an electric current.
  4. 8. a group of atoms; the smallest unit of a chemical compound that can take part in a chemical reaction
Down
  1. 1. The geometric shapes of a crystal repeat themselves, creating a _______.
  2. 3. When certain solutions are heated then cooled, the molecules ______ themselves to form repeating geometric shapes.
  3. 5. _____ and sugar are common crystals found in your kitchen.
  4. 6. These types of crystal is formed when water vapor cools in the clouds.
  5. 9. a structure formed by the geometric shape made by the atoms in a crystal is called a crystal ________.
  6. 10. a mixture of two or more substances that stays evenly mixed.