The Acid rain test kit is great to use in the classroom or for science fairprojects to determine if you have acid rain in your area, Kit Includes: 15ml Low Range pH Indicator, 6 Test tubes, Color Chart
Rh-Antisera, 50 Students, Synonyms: Anti-Rh(D), Monoclonal Antibodies, Appearance: Liquid, Blue (Anti-A) or Yellow (Anti-B) or Clear (Anti-D), size: 5 ml
Variable Load, used in conjunction with the Energy Sensor to provide a range of resistive loads for projects such as wind turbines or solar panels, Students can adjust the potentiometer to provide resistances between 6 and 255 ohm