Root Tip Model on Base, 250X Enlarged, 12" Subcategory_Force and Motion Rectangular casted metal case and

Rectangular casted metal case and polythene insulated lid with finger flap to facilitate removal

filled with iron filings whose alignment renders 3D field lines around any bar magnet up to 0

constant-bore gradient tube

Funnel has a 14/23 size socket and includes an interchangeable plastic stopper

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

Root Tip Model on Base, 250X Enlarged, 12" Subcategory_Force and Motion Rectangular casted metal case andGreatly magnified root tip model on a base exposes the root cap, meristematic zone, and zones of elongation and differentiation for plant growth teaching.