While we think this would be a great experiment to try at any point in the year, with schedule uncertainties and limited student attention spans leading up to summer break, we think this could be a fun and engaging end-of-the-year exercise! We found this volcano in a cup experiment over a 1-Art.eu and, if you can figure out the logistics, we just know your kinders will want to see it again and again! Supplies You'll Need Fireproof glass container Wax Sand Cold water Heat source...