7th graders dissecting brains. Fascinating!
CaCl and Baking Soda. A chemical design challenge and mystery.
A beautiful, although rainy, hike along the 20+ mile Ohlone Trail outside of Livermore. A really nice weekend backpacker with my boy and some great scouts. Troop 484 Clayton!
Wire, magnets, paper cups, pipe cleaners, and 3.5mm audio connectors – make your own set of headphones. A great project for the ear, electromagnetism, and workshops skills.
Sodium bicarbonate – dilute acetic acid and soap…. Mixed to rise just to the edge of the graduated cylinder. So many angles of science for new chemists.
Replacement of copper with silver in fascinating dance of chemistry.