Coils and Core Transformer Activity Set Heat & Thermodynamics_Temperature & Heat with adjustable slit and draw-out

with adjustable slit and draw-out focusing for examining the spectral composition of light sources

using metal bearings to minimize friction in uniform-acceleration and Newton's-second-law work

Hundred-fourteen-piece organic chemistry molecular model set with 50 atoms and 64 links covering single

this 20mm-diameter steel helix carries longitudinal

its sectioned carburetor and fuel supply exposing the compression-ignition cycle to a hand-cranked turnover

Coils and Core Transformer Activity Set Heat & Thermodynamics_Temperature & Heat with adjustable slit and draw-outTransformer activity set with a plastic base, laminated iron core, and a selection of wound coils, letting students explore induction, step up step down ratios, and magnetic property variations.