US$ 26.95
Designed to generate and detect ultrasonic waves above the audible range
75-inch mouth on a 4 by 4 inch base
3 glass open-ended U-tube and side arm
25 inch diameter
Six 10 x 10cm unmounted plastic filter squares - red
Rocks and Volcanoes Teaching Model Subcategory_Stopwatches and Timers Designed to generate and detectDepicts sedimentary, igneous, and metamorphic rocks alongside volcanic structures on a wall mountable labeled backboard, serving as a rock cycle and volcanism reference.
US$ 26.95
US$ 125.00
US$ 26.95