Doppler Effect Demonstration Apparatus with 92dB Buzzer Glass Sets & Apparatus_Distillation Apparatus Twelve-ball drilled set in a

Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum

Ceramic center on each 5 x 5-inch iron wire gauze square spreads Bunsen flame heat beneath beakers and flasks

and representative organism preparations for introductory biology microscopy

providing lightweight projectiles for collision-and-ramp experiments where steel or glass would carry too much momentum or break on impact

Doppler Effect Demonstration Apparatus with 92dB Buzzer Glass Sets & Apparatus_Distillation Apparatus Twelve-ball drilled set in aDemonstrates the Doppler effect by swinging a 92dB buzzer on a 0. 8m tether, revealing the shift between approaching and receding frequencies in introductory wave and sound units.