A small amount of potassium permanganate is placed in a petri dish. A few drops of glycerin are added and after a few seconds, a puff of smoke and vio...
Less confusing than other test kits that require students to distinguish different bacterial colonies on a Petri dish, this test features a distinct c...
You don’t have to take a field trip to the dentist to teach your students about tooth decay and preventive oral hygiene. With this kit, students will ...
The hexagon shaped plastic glitter crystals (0.040 size) are non-toxic and conform to ASTM D-4236. They are packaged in convenient plastic dispensing ...
Print…
List View
Easy View (new)
Facebook
Twitter
YouTube
Pinterest
Instagram