Ceramic Materials

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Across
  1. 2. Allows substances such as water or air to pass through
  2. 5. To allow to drift away or spread out
  3. 7. Small units formed when ceramics cool down
  4. 8. Earthy substance heated up to make pottery
Down
  1. 1. Strong chemical bonds found in ceramics
  2. 3. A type of clay ceramic, also an asian country
  3. 4. A transparent substance made from sand
  4. 6. Another name for Sand