US$ 39.99
Seamless translucent silicon tubing in a 40-inch length with 11 mm outer and 7 mm bore
Students will formulate their own theories based on the response of the fruit flies to the chemicals and foods
Young's-modulus kit with a 0-30mm scale plate
delivering wheel-driven power to a lamp or a Newton color disc
One-ohm 5W wire-wound fixed resistor enclosed in an ABS module with 4mm sockets
One-Mole Metal Bar Set, 4 Elements Type_Cross-Sectional Seamless translucent silicon tubing inSized so every bar holds exactly one mole of the element, this four bar set of copper, iron, zinc, and aluminum turns Avogadro's number into a tangible comparison of molar mass.
US$ 39.99
US$ 49.99
US$ 36.99