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
Healthy Plants Kit, Contains: 30 Plastic cups(5/7oz), 60 Bean seeds, 30 wicks, 1bag Soil/Vermiculite, Nutrient Powder, Acid Rain Solution, Designed for older elementary students to help them examine/understand the needs of plants for growth and survival, For grades 3-5
Heart and Lung kit, learn about the basic anatomy of the circulatory and respiratory systems by measuring lung volume, making heart and lung models, and designing a working stethoscope, great introduction to the world of human physiology
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
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