STEM Investigations Create Your Own Power Electrochemical Cell Lab Kit for 15 Groups Botany_Equipment & Supplies each with an 8-inch external

each with an 8-inch external probe on a 36-inch cord for class-wide temperature measurement from -50 to 300°C at ±1°C accuracy

Tangent-galvanometer instrument that derives current absolutely from compass-needle deflection against Earth's horizontal field

cohesion principles

3 geometry stretching focal throw for distant-screen projection of well-formed real images

STEM Investigations Create Your Own Power Electrochemical Cell Lab Kit for 15 Groups Botany_Equipment & Supplies each with an 8-inch externalSTEM parachute investigation kit explores physics principles through design challenges, testing protocols, and engineering optimization exercises.