US$ 69.00
Depicts Earth's internal layers plus active and passive margins
RC-network
Quartz is one of the most abundant minerals on Earth
Nine-piece hooked weight set with seven polished brass and two powder-coated steel masses spanning 10 to 1000 grams
Thermal conductivity kit with copper
Eddy Current Demonstration Apparatus, 13" Item Type_Scissors Depicts Earth's internal layers plusHeavy copper tube paired with a neodymium magnet and a steel slug, used to dramatize Lenz's law as the magnet drops noticeably slower than the non magnetic mass.
US$ 69.00
US$ 179.14
US$ 185.00
US$ 85.20