Description
Built-in reference support: Integrated chart of common spectral lines helps students identify elements and check results
Because students can sit
00 Transverse Wave String P7-1500-03 · $10
but only recently have they become central to conversations about clean
Levers Kit Physical Science Built-in reference support: Integrated chartDurable and simple to set up, this elegant Levers Kit provides enough materials for a classroom to study one of the familiar simple machines. Create equal torque on the center pivot and establish an equillibrium by using various combinations of weights and their positioning.