These semicircular plastic cells with clearly demarcated measurements are perfect for observing the refractive properties of different liquids such as water, oil, alcohol, or other transparent liquids. The refraction cups are made of a clear, durable plastic and are economically priced for bulk classroom purchases. The inside of the cup is printed with clear and precise degree measurements, from 0-180, in both directions, so that you can produce the most accurate results possible from your refraction experiments.
Diameter: 4-3/4" (120mm), Depth: 1-3/16" (30mm), Thickness: 1/16" (1.5mm)
Working model representing the sun, earth, and moon and their relationships.
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
Get one of the craziest and coolest kaleidoscopes around!
Ever wonder how to survive in the wilderness? These cards can help!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
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