Why is Glass Transparent?

This Why is Glass Transparent? video also includes:

Did you ever wonder why light can pass through glass? In an animated and narrated feature, find out how when heated to a high temperature, the molecular structure of silicon dioxide results in an amorphous structure and enough space between electron energy levels to allow photons fly on by. This is an ideal addition to any lesson on crystalline structure, amorphous solids, or even light.

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Concepts

Pros

  • A thorough answer to a question that is often wondered, but rarely asked
  • A clear enrichment for several different physical science topics
  • Includes Think questions that can be used as an assessment or as discussion material
  • A Dig Deeper tab leads to links for other related resources
Cons

  • At the 2:00-minute mark, the atom diagram is of the Rutherford-Bohr style, not the most current