Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 250 mm focal length, Lens measures 1.5in diameter, 0.2 weight
KidWind 2V/400mA Solar Panel, C0034, for demonstrations and experiments. External screw terminals and attached clip cords make the panels easy to use, Dimensions: 62 mm x120 mm
Laser Diffraction Kit, lets students create, view, and measure diffraction and interference patterns, kit includes two laser pointers-red and green - along with a convenient mounting base and a slide set of diffraction objects
Spectrum Discharge Tube, Mercury Gas to show spectral lines of pure substances. Tubes approximately 260mm long, central capillary portion approximately 3-1/2 to 4 (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps
KidWind Advanced Wind Experiment Kit, wind turbine technology, Test different blade designs, gear ratios, generators, and devices to measure electrical and weightlifting power, for College, High School, and Middle School
Super Magnet Classroom Lab Kit, Includes: 100 magnet, 5 magnetic marbles, 7 magnetic wands, 2 metal bar magnets, 2 metal ring magnets, 2 mini horseshoe magnets, 1 large plastic horseshoe magnet, activity guide, storage box
Stem Explorations- Levers & Pulleys Building Set, Age: 8+, Includes 130+ parts for single child/team of 2 children to build 3 lever or pulley models: a Balance, a Wheelbarrow and a Sailboat, children will be engaged in understanding Science, Etc.
Basic circuit kit, with a switch, (2) 'C' Batteries with Holders, (2) Light Holders, (5) Bulbs, and bulk wire for connecting, for a classroom or home experiment. One kit works well for a group of 3-5 students and demonstrates the pricinples of circuits and electricity
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 200mm focal length, 2in diameter and 5.5mm thick
Needle source Pb-210 contains 0.01 microcuries of Lead-210 in equilibrium with its daughters Bi-210 and Po-210, produces a source of both alpha and beta particles
Electrostatic Friction Rod Kit, includes: -3 fabric cloths (wool, cotton, silk) -3 rods (glass, ebonite, lucite), provides the necessary tools to free both positive and negative charges for exploration into electrostatic forces, 0.4 lbs, 9.8x6.0x1.8in
Current balance, classic method for demonstrating and measuring the small force experienced by a conductor carrying an electric current in a magnetic field, One half of the balance is placed inside a solenoid, other half has an adjustable counterweight
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size: 125 x 65 x 18 mm