This Calorimeter Consists Of Two Nested Aluminum Cans Separated By A 1.7Cm Thick Styrofoam Liner And A Clear Molded Plastic Lid With A Filler Cap. Includes Activity Guide. This calorimeter consists of two nested aluminum cans separated by a 1.7cm thick styrofoam liner and a clear molded plastic lid with a filler cap. A plastic insulator ring protects the styrofoam insulation against damage and liquid spills. The inner reservoir has a capacity of 150ml. A thermometer stopper and an insulated stirrer are included. Includes activity guide.