Sound, Light, Heat
Manfred von Mackensen
* * * Currently only available on clearance -- new copies on the way!! * * *
* * * Only clearance copies currently available. More new copies on the way!! (Clearance copies here — scroll down to find them.) * * *
Volume 3 for Grade 8, revised, explores the further study of optics, heat, electricity, hydraulics, hydrostatics, aeromechanics, and acoustics. Several experiments on each topic along with methodology are included.