With this apparatus you can actually observe increases and decreases in a liquid’s conductivity!
Consists of a molded socket on a PVC cover, provided with binding posts for connection of two wire cords. Two electrodes are internally connected to the lamp circuit. The cover is designed to fit a clear glass tumbler. Light bulb, glass tumbler, and instructions sheets are provided.
Great for classroom use or science fair projects.
This SUPER Erector Construction set is one of the best you'll find anywhere!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
This plant and animal cell model activity set is a must-have resource for the science classroom!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
Build your own windmill generator kit by recycling a plastic bottle!