US$ 40.00
letting students vary the moment arm distances on either side and find the balance point for any combination of masses
Closing to 3m and extending to 9m
Perforated 2mm-hole grid at 1cm intervals on an irregular-shaped body mounted at its center of gravity
Drop-resistant handheld digital multimeter with a 15mm LCD measuring DC 200mV-600V
Plant Tissue Types Model Material_Polypropylene letting students vary the momentComparative plant tissue model displays parenchyma, collenchyma, sclerenchyma, and vascular tissues side by side for plant histology and identification teaching.
US$ 40.00
US$ 187.50
US$ 262.50
US$ 55.00
US$ 173.98
US$ 95.00
US$ 145.00
US$ 180.00