US$ 88.00
Machined to equal volume from six different metals
sized for field measurements and outdoor physics investigations
providing a measurable stress-strain study on paired wire specimens
Nine-piece hooked weight set with seven polished brass and two powder-coated steel masses spanning 10 to 1000 grams
producing distinct audible pitches at varying spin speeds to relate rotational frequency to perceived sound frequency
12-Piece Premium Rock Specimen Set Science at Home_Physical Science Machined to equal volume fromTwelve premium rock specimens expand the introductory set with additional igneous, metamorphic, and sedimentary samples for deeper classroom identification practice.
US$ 88.00
US$ 149.00