Educational Innovations Pit and Pendulum - For Science Classrooms, Zen Gardens, or Office Desktops - Replacement Sand Only
Product Description
Educational Innovations Pit and Pendulum - For Science Classrooms, Zen Gardens, or Office Desktops - Replacement Sand Only
- Replacement sand for the Pit and Pendulum.
- Related Items: BAR-125, BK-840, MUG-175, RH-100
This pendulum is mesmerizing to watch as it traces beautiful Lissajous patterns in sand. A favorite of elementary school science tables, it can be used at upper levels to study harmonic motion as energy is transferred from a pendulum swinging in one plane to swinging in another plane at right angles. A Lissajous figure results from the two sine curves meeting at right angles. 21 inches tall!
Technical Specifications
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