Scientifically speaking, the term “crystal” refers to any solid that has an ordered chemical structure. This means that its parts are arranged in a precisely ordered pattern, like bricks in a wall.

Download the experiment instructions HERE! Crystals form through a process called crystallization which is when a liquid solidifies into a highly structured solid. While crystals can form when liquid ...

Crystals—from sugar and table salt to snowflakes and diamonds—don’t always grow in a straightforward way. New York University researchers have captured this journey from amorphous blob to orderly ...