Spouting Cylinder, Acyrlic - Snell'S Law Apparatus, Demonstrating Principles Of Snell'S Law, 2.3in (60mm) Diameter Pipe, 15.5in (400mm) Total Height, Includes: Demonstrate Snell'S Law From An Acrylic Pipe.
Exploring Meteorology kit, Everyday in Some Way and the Meteorologist That Study Weather Patterns Are Best Source for Information, This Experiment Provides Students with the Experience of Being a Meteorologist, Include Studies o
reflection and refraction demonstrator, 16cm diameter acrylic water tank has a 360 degree scale and a moveable arm carrying a laser activated by a push-button, Thumb screws on the side of the laser harness can be adjusted to finely position the laser beam