US$ 3910.00
and herbivore feeding adaptations for teaching
Youth-proportioned half-size torso with 9 removable parts including brain
Used to trace the invisible shape of magnetic fields
Wall-mounted Mason's hygrometer with two identical dual-scale thermometers — one dry and one kept wet via a water reservoir — calculating relative humidity from their paired reading difference
237kg hooked masses for measuring spring extension under load and calculating spring constants
Small Student Anemometer Meters_Electrical and herbivore feeding adaptations forCorrosion resistant and sized for hand held use, this small anemometer measures wind speed during earth science fieldwork and classroom weather investigations.
US$ 3910.00
US$ 198.52
US$ 59.06
US$ 184.07
US$ 81.38
US$ 11450.00
US$ 6495.00
US$ 19.79
US$ 645.06
US$ 4165.00
US$ 5965.00
US$ 87.12
US$ 226.46
US$ 151.27