School science labs: storage, quantities and what to ban
A storage and supervision policy for polyacrylate granules in school labs: how much to hold, what to ban, and three demos that work in 40 minutes.
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.
