General Science
  • DNA Model Kit

    DNA Model Kit

    Build a segment of the DNA consisting of Adenine, Thymine, Cytosine and Guanine. Color-coded pieces designate certain modules making up the four nucleotides present in DNA. Kit includes 12 packets of model parts, each with enough material to construct a...

    $9.95
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  • Experimenting with Syringes

    Experimenting with Syringes

    Accessory pack includes a large (60cc) syringe, [3] medium (20cc) syringes and [3] small (6cc) syringes along with 25 ft. of 1/8 in. dia. tubing. 

    $15.95
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  • Investigating Heat Kit

    Investigating Heat Kit

    Students apply the scientific method to investigate heat transfer, conduc-tion, convention, mass, substance and temperature. Each kit contains brass, aluminum and lead blocks, cups, thermal expansion bar, naphlalene pins, candle and all necessary...

    $95.00
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  • KELVIN® Project ComTech™ Class Pack

    KELVIN® Project ComTech™ Class Pack

    In this pilot module, Communicating with Light: From Smoke Signals to Fiber Optics, students become familiar with the elements of communications systems as well as with basic electronics, coding schemes, and the properties of light. Students master a...

    $775.00
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  • KELVIN® Project ComTech™ Lab

    KELVIN® Project ComTech™ Lab

    In this pilot module, Communicating with Light: From Smoke Signals to Fiber Optics, students become familiar with the elements of communications systems as well as with basic electronics, coding schemes, and the properties of light. Students master a...

    $195.00
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  • KELVIN® Project ComTech™ Lab Manual

    KELVIN® Project ComTech™ Lab Manual

    A companion to the Project ComTech Set.   Project Comtech™ was created by the Science Education Department of the Harvard-Smithsonian Center for AstroPyhsics, with support from the National Science Foundation.

    $29.95
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  • KELVIN® Telegraph & Buzzer Bulk Pack

    KELVIN® Telegraph & Buzzer Bulk Pack

    Bulk Pack of 10 Kits As Low As $39.50 Per Kit Build Your Own® Telegraph System! Wind coil, connect wires and learn to operate and communicate with this system. Have your students take an interdisciplinary journey into the...

    $395.00
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  • KELVIN® Telegraph & Buzzer Kit

    KELVIN® Telegraph & Buzzer Kit

    Build Your Own® Telegraph System! Wind coil, connect wires and learn to operate and communicate with this system. Have your students take an interdisciplinary journey into the world of telecommunications. Your students will discover the history...

    $44.95
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  • KELVIN® Voice Over Laser Beam Trainer

    KELVIN® Voice Over Laser Beam Trainer

    Study laser beam communication and demonstrate voice modulation to transmit voices and music over a laser beam. An input jack allows students to access CD players or tape recorders for additional activities in communications. The trainer includes:...

    $195.00
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  • Laser Pointer Activities

    Laser Pointer Activities

    By Thomas Altman. 9 laser pointer activities: earthquake detector, music controlled laser patterns, crystal ball laser projector, diffraction and moving diffraction grating, representing a black hole, laser Lissajous patterns and twisting beams.

    $9.95
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  • Simple Machine Economy Pack with Board

    Simple Machine Economy Pack with Board

    Learn about: GEARS Mechanical advantage Direction of rotation Multiple gears Gear pitch PULLEYS Multiplying force Changing direction of force Multiple pulleys Friction belts WHEELS Reducing friction Circumference and...

    $32.95
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  • Simple Machines Class Pack

    Simple Machines Class Pack

    What is work? What are simple machines? How do machines make work easier? How are force, work and distance related? Your class will answer these and other questions as they apply critical thinking skills to investigate the earliest use of such machines...

    $125.00
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