Electrophorus - Demonstration, Comprises a thick plastic base with four rubber feet alongwith with 18 cm diameter aluminium plate with an insulating handle. Produce a strong spark repeatedly, without recharging. 18 cm diameter aluminum plate
Ice Melting Plates With Rims, 1 Aluminum Plate, 1 Plastic Foam Plate, Challenges Student'S Preconceived Notions On Concepts Of Heat And Thermodynamcs. The Melting Plates Display Quizzical Properties When An Ice Cube Melts On Each Plate, Demo For Conductivity And Heat Transfer.