solar furnace, simple device gives a graphic demonstration of the suns radiative energy, large convex mirror concentrates solar radiation onto a small container of water suspended at the mirrors focal point. In a few minutes, the water boils
Radiation Can Kit, Demonstrate how two identically sized cans absorb and radiate energy differently, contains a lamp assembly with reflector and stand(bulb not included), smooth metal can, one black metal can, and thermometer, Includes activity guide
Compound bar, Copper and Iron, Weight (lb): 5.8,Length (in): 15.7,Width (in): 12.6,Height (in): 3.1, Comprising a bar of copper and iron each 200 x 15 mm, riveted together, For demonstrating the differential expansion of two metals
Kit, Stem Investigations: Make Your Own Liquid Crystal Thermometer, Includes: 5 g Cholesteryl Oleyl Carbonate, 5 g Cholesteryl Pelargonate, 5 g Cholesteryl Benzoate, 8 Dram Vials with Caps, 90 Clear Labels, 8 Plastic Forceps, 16Black Index Card, 4inx 6in, for 8 groups, Teacher's Manual included
Convection Of Gas Apparatus, Small, Ventilation Apparatus, Smaller Sized To Fit In Any Classroom Than Standard Convection Of Gas Apparatus, Comprised Of A Metal Box 4inX6inX4in With A Sliding Front Door, Two Glass Chimneys And A Candle Holder.