Physical Characteristics of Gases kit, 15 Gas Demonstration Hardware, Gas laws (Boyle’s, Charles’s and Gay-Lussc’s) are simple mathematical relationships between volume, temperature and pressure.
Effect of Salinity on Seawater kit, Includes: Phenolphthalein Indicator, 1M Potassium Chromate, 0.1M Silver Nitrate, 3M Sodium Hydroxide, Synthetic Atlantic Ocean Water, Gulf of Mexico Water and Pacific Ocean Water, has enough materials for 15 groups
Preserved Bullfrog Single Injected, Injection Type: Single Injected, Preservative: Formalin, Amphibian anatomy, General dissection, High quality preservation, larger study specimen for students to learn vertebrate anatomy, dissection skills, Size: 5 - 6in