Soap Power Surface Tension Elementary Chemistry Kit Gifts_Kitchen Powdered copper (II) sulfate pentahydrate

Powdered copper (II) sulfate pentahydrate used in crystallization experiments

this Wilberforce pendulum trades energy between vertical bobbing and rotational twisting through a helical spring as one mode decays to the other

~3mm thick

Basic 15-slide set pairs common plant and animal tissue preparations for short-unit microscopy coursework in middle school and early high school

and refraction angles when light crosses a boundary between media of different optical density

Soap Power Surface Tension Elementary Chemistry Kit Gifts_Kitchen Powdered copper (II) sulfate pentahydrateSoap power kit demonstrates surface tension by using soap as an energy source for elementary chemistry and physics exploration activities.