Density Lava Lamp Kit, Includes: 5 Plastic bottles, 1L Vegetable Oil, 25ml Food Coloring, 10 Alka Seltzer tablets, Help to visualize and understand density and introduce the idea of polarity as well with this demonstration for the whole classroom, For grades 2-5
Eudiometer, Demonstrate the combining volume ratios of gases, Platinum electrodes included, Long, sturdy glass tubes have platinum electrodes sealed at the closed end with a 2 mm arc gap, Tubes are marked with a permanent brown scale in 0.1 or 0.2 mL divisions, Size: 100ml