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  • Orbiter Quick View
    • Orbiter Quick View

    • Orbiter

    • How many days does it take the Earth to revolve around the Sun? The answer to this question and more are answered when using this gear-driven model representing the Sun, Moon, and Earth and their relationships. Daylight, night, seasons, and phases of the Moon are all effectively demonstrated. The arm is 15" long; Sun is 6" in diameter; Earth is…
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  • Organic Structure Model Set Quick View
    • Organic Structure Model Set Quick View

    • Organic Structure Model Set

    • Students can demonstrate univalent and multiple bonds by linking the atoms in this Organic Structure Model set represented by colored plastic balls. In addition, with the included springs as links, they can recreate flexible bonds and ring compounds. Comes with instructions, ten 2” long springs, and 54 colored plastic balls: 10 black (carbon); 2 blue (nitrogen, 1 ¼” dia.); 28…
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  • Overflow Can Quick View
  • Pascal Ball Quick View
    • Pascal Ball Quick View

    • Pascal Ball

    • Complete demonstration of Pascal’s Law. The apparatus shows that a change in pressure in fluids is transmitted equally in all directions to all parts of a fluid. The device contains a hollow sphere connected to a hand pump with a plunger that applies pressure to the fluid in the ball. The fluid exits all 10 equidistant nozzles in the ball…
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  • PCR Micro Test TubesPCR Micro Test Tubes Quick View
  • Pendulum Clamp Quick View
    • Pendulum Clamp Quick View

    • Pendulum Clamp

    • Approximately 28 cm long clamp designed to hold 3 pendulums, all pendulums can be individually adjusted without disturbing the others. With knurled thumbscrews to keep suspension cords secure.
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  • Pendulum Demo Kit Quick View
    • Pendulum Demo Kit Quick View

    • Pendulum Demo Kit

    • Demonstrate how to string length and mass affect the movement of a pendulum. Simply attach strings of different lengths with different weights to the pendulum clamp and observe the differences in motion. Includes a heavy-duty pendulum clamp, a support stand with a 6 in. x 11 in. support base, and a 36 in. L rod, four 25 mm pendulum bobs…
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  • Petri Dish Fused Edges, Complete With Cover Quick View
  • pH Indicator PaperpH Indicator Paper Quick View
  • Ph Paper, PK/18 Quick View
    • Ph Paper, PK/18 Quick View

    • Ph Paper, PK/18

    • Perform science experiments in your own home using common household products! PH paper is used to determine whether a substance is acidic, basic, or neutral. Simple pH experiment instructions are given as well as a color guide for determining the pH. Ages: 7+. Box includes 18 pH papers and a pad of 15 tear-off informational sheets.
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  • Photoconductivity Experiment Quick View
    • Photoconductivity Experiment Quick View

    • Photoconductivity Experiment

    • Objectives To study the photoconductivity of CdS Photoresistor, in the following conditions: Applied voltage vs photocurrent (IPH) at constant irradiance (Φ). Photocurrent (IPH) vs irradiance (Φ) at constant applied voltage (V). Principle The phenomenon of photoconductivity occurs when an incident light shown upon a semiconductor causes an increase in its electrical conductivity. This is because of excitation of electrons across…
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  • Photosynthesis Apparatus Quick View
    • Photosynthesis Apparatus Quick View

    • Photosynthesis Apparatus

    • For measuring and analysing gas given off by plants.Comprises a 1 mm bore capillary tube graduated 0-10 cm in mms and connected to two 2 ml syringes. The gas can be drawn along the capillary by one syringe and collected into he other for analysis, mounted on board.
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