Make sand a liquid!
Bubbling air through sand can cause it to act like a liquid. Dianna Cowern and William Osman try to reproduce this popular GIF on Physics Girl. Sand liquefied!
Support Dianna during her recovery at patreon.com/physicsgirl
The glass beads used in place of beach sand were called "Multipurpose abrasive blasting media, Glass Beads." We bought 60-120 and 70-140 Mesh Size and ended up using the larger diameter beads.
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Creator: Dianna Cowern
Editing: Jabril Ashe
Animations: Kyle Norby
Thanks to William, John, and Kyle Kitzmiller