Hareft s Apparatus, Mounted on a wooden stand with a scale, comprises a three-limbed glass tube with rubber tubing on the centre. For comparing the densities of liquids by measuring the height of two columns of liquid produced by applying suction, Dimensions 68 x 30 x 15 cm
Harmonic Motion Spring, ideal for demonstrations or hands on experiments in the physics classroom, 7 inches (18 cm) long with a maximum diameter of 1.4 inches (3.5 cm) and a spring constant (k) of 9.6 N/m
Health and Harmony Excellent Kit, Includes: Conductivity of Water Tester, Wave/Spine/Arm/Brain/Head Model, Created for middle school ages, Well-rounded curriculum that incorporates stem content, For use across Physics, Chemistry, Biology and Mathematics
Specific Heat Demonstration Set, Unique way to illustrate the different heat capacities of various metals features a slanted panel with four grooves to hold metals, Includes four metals cylinders: Aluminum, Copper, Lead and Tin; support stand, two pieces of bee wax
Heat Transfer Kit, Class, Contains 15 Sets Each Of: 2 Styrofoam Calorimeters With Lids, Aluminum Heat Transfer Bar, Low Range Thermometer (-40 - 50 Deg C), High Range Thermometer (-30 - 110 Deg C), With Two Thermometers Specifically Designed For Hot And Cold Temperatures.
Heat-it Kit, Group, lets you grow and engineer bacteria with a DNA plasmid that can be controlled with heat. Decide when you want the DNA program to turn on by choosing the temperature you grow the bacteria at, to create tree ring pat