US$ 159.00
Compares radiant-heat absorption through paired surfaces and a white screen
Designed to make turns-ratio behavior tactile
this LDR drops resistance dramatically when light strikes the cell
ten 300 by 3mm rods dimensioned to match companion copper
Plate Tectonics Labeled Teaching Model Subcategory_Geology Models Compares radiant-heat absorption through pairedDepicts Earth's internal layers plus active and passive margins, oceanic ridges, trenches, and rift valleys on a single labeled tectonics model for plate boundary lessons.
US$ 159.00
US$ 170.00
US$ 157.00
US$ 168.00
US$ 170.00
US$ 22.00