US$ 127.50
sized for specific-gravity and volume-by-displacement measurement
screen carrier
Hand-cranked friction-wheel drive sandwiched between clear acrylic plates
electromagnet coil
Demonstrates Newton's first law by yanking a metal card from beneath a steel ball
Dynamic Track with Stand and Ramp Biology_Entomology & Zoology sized for specific-gravity and volume-by-displacementAdjustable hardwood ramp track with a 30 by 120cm running surface and a run off section, delivering controlled slopes for friction, motion, and energy on incline investigations.
US$ 127.50
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