US$ 17.95
surface tension
25 inches diameter and 8
Temperature controlled by a thermostatfrom Room temperature to 100
sized as a self-contained module that lights up when current flows the right way for polarity-and-circuit lessons
20-Piece Metallic Ores Specimen Set Mechanics_Work & Energy surface tensionBuilt for economic geology teaching, this 20 piece metallic ore specimen set demonstrates the raw sources of industrial metals for classroom identification.
US$ 17.95
US$ 175.99
US$ 17.95
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US$ 17.95