hydrology

microbiology - - 'glowing bugs'

geology -- volcanos and floating rocks

magnets and levitation (is it magic?)

brain twister puzzles

playing with magnets

explosive molucules

dirty hands are okay when playing with magnetic sand -- collect your own in arroyos near home!

learning about explosives means safety first.

levitation station

Rocks from the Jemez -- most have been here a long time

build first - eat later - use 4 basic shapes to create 3D geometric grids