Seismograph Model creates a visual representation of the shock waves generated by an earthquake, Use to teach both mathematical and geological concepts by manually pulling the paper strip and recording simple movements made by jumping or moving, Pencil not included
Sun, Earth, Moon Orbital Model, Multiple moving axis to demonstrate daylight, night, seasons and phases of moon, Requires two AA batteries, Light bulb inside sun to demonstrate sun light on moon & earth, Base has the months of the year along with the season
Model Functional Lung Apparatus, unique and easy-to-use model features parts that replicate the actions of respiration, Easy to Assemble, includes an acrylic bell jar, Y tube, two balloons, rubber diaphragm with a knob for ease of movement, and an instruction manual
Enlarged. Sectioned so that both ventricles and atria open to expose the valves. Large blood vessels near the heart and musculature of the heart are shown. Separates into 7 parts.
Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
List View
Easy View (new)
