Earthquake Teaching Model Botany_Botany Charts & Models supplying two voltmeter scales on

supplying two voltmeter scales on one accessory so students switch between low and mid-cell voltages without rewiring

Focuses sunlight through a 30cm parabolic reflector onto a black copper target cup

this basic Paramecium model demonstrates ciliate structure and single-celled organism anatomy for biology teaching

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

Earthquake Teaching Model Botany_Botany Charts & Models supplying two voltmeter scales onDepicts fault origins, seismic wave propagation, and surface effects on a hand painted wall mountable backboard, each wave type individually labeled for geophysics reference.