Question

Give two properties that glass and plastic always share?

Answer 1

The property which both they share is they have colourless colour

Answer 2

When heated like in Glass blowing/Glass can be stretched and formed-like plastic can be stretched and formed/molded around objects. They become different when the heated glass cools down and the glass becomes hard whereas plastic continues to be able to stretch.2 Both are transparent, but the differences in their properties allow bullet-resistant glass to stop rounds.