Root Tip Model on Base, 250X Enlarged, 12" Subcategory_Force and Motion Demonstrates that fluid pressure transmits

Demonstrates that fluid pressure transmits equally regardless of vessel shape through a Pascal's-law kit of four plastic vessels with leak-proof metallic collars and a weight-loaded balance pan

sodium benzoate

supplying a soldering-free unit for student-built optoelectronic and light-detection circuits

displayed on a plastic-and-metal rack with a carrying handle for transport

constant-bore gradient tube

Root Tip Model on Base, 250X Enlarged, 12" Subcategory_Force and Motion Demonstrates that fluid pressure transmitsGreatly magnified root tip model on a base exposes the root cap, meristematic zone, and zones of elongation and differentiation for plant growth teaching.