Hookes Law, set of 5 springs with different spring constants, forces required for 1cm extension are 0.25N, 0.5N, 1N, 1.5N, and 2.5N respectively, Pre-stress has been removed for accurate results, With a hook to support a weight hanger and a red arrow to indicate position
Kiddiecart Drawer Cube, 4 Wheels and castors with lock and swivel make this cart ideal mobility around your classroom or school. There are four spacious drawers The robust, 2 foot square bamboo top is for using your C-clamp, bench hook, mini hacksaw, Size: 26 in
kit, properties of materials, allows students to make a wide range of investigations with only a small number of items, kit contains two sets of three metal cylinders - aluminum, copper, and steel. In one set the cylinders all have equal masses
kit, properties of materials, allows students to make a wide range of investigations with only a small number of items, kit contains two sets of three metal cylinders - aluminum, copper, and steel. In one set the cylinders all have equal masses
Kit Safe Water, Contains: Student instructions, Simulated samples of well water, tap water, and bottled water, Nitrate Test Solution, Arsenic Test Solution, Coliform Bacteria Test solution, Labeled droppers, Well Water Testing sheet, Bottled Water Testing sheet
Kit Safe Water Refill, Contains: Student instructions, Simulated samples of well water, tap water, and bottled water, Nitrate Test Solution, Arsenic Test Solution, Coliform Bacteria Test solution, Labeled droppers, Well Water Testing sheet, Bottled Water Testing sheet
Kit Safe Water Single, Contains: Student instructions, Simulated samples of well water, tap water, and bottled water, Nitrate Test Solution, Arsenic Test Solution, Coliform Bacteria Test solution, Labeled droppers, Well Water Testing sheet, Bottled Water Testing sheet
Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection
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
vertically-aligned set LED, easy and dramatic demonstration of the relationship between the color and wavelength of light, spectral range of each LED can be investigated with spectrometer, or just viewed for comparisons with each other
light leaper accessory, insulating printed circuit board carries a metallic conduction path with six breaks and a binding post at each end, When connected to an operating electrostatic generator, simultaneous sparks occur in each of the breaks as charge flows