Raw Quartz Mineral Hand Sample, Approx 3 inch Item Type_Needle this basic Paramecium model demonstrates

this basic Paramecium model demonstrates ciliate structure and single-celled organism anatomy for biology teaching

Introduces electromagnetism with a hands-on kit where students first observe an electromagnet

Replacement 8cm carbon electrodes pre-mounted in a leak-proof rubber stopper for the CH0740B Hoffman Electrolysis Apparatus

sodium chloride crystals (1

configured to demonstrate Faraday's law and the principle behind transformer action

Raw Quartz Mineral Hand Sample, Approx 3 inch Item Type_Needle this basic Paramecium model demonstratesThree inch raw quartz hand sample displays conchoidal fracture and Mohs 7 hardness for silicate mineral identification and scratch testing.