US$ 120.00
and membrane systems for introductory cell biology teaching
One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations
Flexible joint allows the model to move through knee flexion and extension
5-inch funnel during gravity filtration in chemistry classrooms
Bare 14 SWG copper wire on a 500g reel approximating 50 feet
Beginner Machinist Tool Set (Vernier Caliper and Micrometer) Subcategory_Pressure and Gas Laws and membrane systems for introductoryBeginner machinist measuring set pairing a vernier caliper, micrometer, and additional hand tools in one economical package for garage, workshop, and classroom precision measurement.
US$ 120.00
US$ 24.95
US$ 17.99