happycrazycon in #hive-181450 • 9 months agoOo-Bleck, Is It a Solid or a Liquid?Oo-bleck!!! So I finally redo an Oo-bleck experiment with students the last school holidays. This time we made sure we have enough corn starch to make it work!happycrazycon in #education • last yearElephant Toothpaste! 🐘 🪥Wow, I was not expecting another day of experiment but my enthusiastic students actually went to buy Hydrogen Peroxide for the Elephant Toothpaste Experiment! S