"activities&"
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Prism
Equilateral prisms, made from high quality clear acrylic sheet.
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Motor DC Solar Miniature 1040RPM SHA
Operates 1/2 to 3 volts, 100ma start-up / runs at 15ma no load. Strong torque - 300 RPM @ 1/2 volt. Great for gear drives. 2mm shaft dia. Size 1 1/4" dia x 1 1/4" long.
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E.I. Double Concave Glass Lenses
Individual spherical glass lenses.
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Acrylic Double Concave/Convex Lens
Frosted acrylic lenses for optical experiments.
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Unit Cube Base Ten Orange Stand
These Orange Unit Cubes will help your students or kids learn math concepts by providing them a visual model.
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Weather Gauge
Multifunction Capability in One Affordable Instrument
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Large Wave form helix
The Large Wave form helix easily demonstrates wave phenomena.
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Economy Optics Kit
Everything You Need to Demonstrate Optical Principles
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4 Decade Resistance Box
The 4 decade resistance box is a handy and convenient way to investigate resistance.
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Electrostatic Demonstration Kit
This complete set of materials makes possible multiple dramatic demonstrations of basic electrostatic principles.
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Simple Machines, Lever Model
This wooden machine is elegantly designed and easy for students to use. Study levers and mechanical advantage both qualitatively and quantitavely.
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Speed of a Bubble Set
The Speed of a Bubble Set connects the mathematical concept of slope to the physical science concept of velocity.
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Smashing Steel Sphere Kinetic Energy Demo
For physics experiments and demonstrations such as kinetic, density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid ball, 1-1/2" (40mm) diameter. Made of Steel. Sold as a pair. Comes with a Teacher's Guide.

