Glittering Glass

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Across
  1. 3. In what state is Corning Glass Works located?
  2. 4. To make a stronger glass, chemical _____ are added to make it resistant to heat.
  3. 6. In what country were the first glass ornaments made?
  4. 8. Artists use _____ tools to shape the glass after it becomes a liquid.
  5. 9. Glass begins as this mineral, which is found in sand.
Down
  1. 1. In order to make the ornaments hollow, artists blow into a metal tube forming a _____.
  2. 2. This glass was created to store Covid-19 vaccines.
  3. 4. A _____ change forms a new substance.
  4. 5. After shaping the glass, artists put it in an _____ to cool it evenly.
  5. 7. The state of matter in which the particles are arranged in a fixed pattern.