Electrostatic Pompon Set Light & Optics_Spectroscopy sized to read one step

sized to read one step up from the 0-1A meter when student circuits draw past the lower meter's full-scale deflection

Square die-cast alloy boss head with metal thumbscrews

letting students measure rotational distance against linear advance to derive the mechanical advantage of the spiral

Enlarged mandible model exposes lower jaw teeth

Needle valve and flame stabilizer deliver fine flame control on this liquid propane Bunsen burner for precision chemistry and biology heating work

Electrostatic Pompon Set Light & Optics_Spectroscopy sized to read one stepPair of nylon fringed metal pompons on insulated stands that fan into wide cones under mutual repulsion when charged, dramatizing Coulomb repulsion and charge distribution on conductors.