School classroom terrariums: gel doses a teacher can supervise
No dry powder in a classroom. A jug-based gel recipe for school terrariums, holiday planning, and a two-tank experiment children can measure themselves.
A 40-Minute Classroom Demo: Polymer Snow for a Class of 30
Thirty Year 8 pupils, six bench groups, forty minutes and one shared sink. Those four facts decide how much powder you weigh out, how you pour it, and what you do in the last five minutes before the bell. The kit for six bench groups Per group: 5 g of powder, a 400 ml beaker of water, two clear cups…
