How is glass made? | A Sketchbook Explainer

How is glass made? Melt sand, soda ash and limestone, then freeze the melt before its atoms can line up. See why glass is clear, and how windows and bottles are made. Chapters 0:00 Start 0:27 A three-part recipe 1:20 Into the furnace 2:08 Frozen in a hurry 3:00 Blow it, mould it, float it 3:53 Why you can see through it Narrated for ages 7–12. Facts checked against trusted sources. ahaboo makes hand-drawn, narrated explainers of how things work, for curious minds.