An Alka-Seltzer Lava Lamp
Chemical vs. Physical Change, Classification of Matter, and more
Hands down this is one of the best examples of a potential zip-lab I’ve been able to put together so far. It is a safe and fun activity that can be done by elementary kids as well as college students. And it’s so simple too. All you need is some Alka Seltzer, water, food coloring, oil, and a plastic container with a lid, (I use the soda bottle ‘preforms’ which you can buy from most educational supply com