Electrostatic Friction Rod Kit, includes: -3 fabric cloths (wool, cotton, silk) -3 rods (glass, ebonite, lucite), provides the necessary tools to free both positive and negative charges for exploration into electrostatic forces, 0.4 lbs, 9.8x6.0x1.8in
Specific Gravity Cylinders With Hooks, Aluminum, copper, stainless steel, tin, and zinc, Each 0.5inch in diameter, for specific heat determinations, Specific metal has been stampled on one end, Hooks can be used to easily measure mass using a spring scale
Density Materials Kit Solids, 14 Piece,Consist Fourteen Materials In The Form Of Rectangular Blocks, Intended To Familiarize The Student With The Appearance, 'Feel', Texture, Hardness And Density Of A Range Of Substances, Brass 20 X 20 X 50 mm, Iron 40 X 40 X 20 mm
HookS Law Spring Set, Set Of Five Different Springs Constants, The Set Has Five Different Springs Constants For In Depth Investigation With Above HookS Law Apparatuses.
Wards Essentials Trigonometry Puzzle Set, High quality precision-cut Birch verner pure bond plywood, Contains: Step-by-step educational guide, Includes the unit circle, three 30-60-90 triangles, two 45-45-90 triangles, two circular sectors, Kepler's triangle