The Chemistry of Crystals
19:58
How DO Molecules Store Energy?
21:19
The Chemistry of Fire
19:28
Hidden Crystals EXPOSED in Devices You Use Daily
17:58
Understanding Metals
30:10
How Gemstones Form From Igneous & Metamorphic Processes (12 Examples!) GEO GIRL
14:05
Why is All Life Carbon Based, Not Silicon? Three Startling Reasons!
9:20
Growing lead crystals
17:45