Compound bar, Copper and Iron, Weight (lb): 5.8,Length (in): 15.7,Width (in): 12.6,Height (in): 3.1, Comprising a bar of copper and iron each 200 x 15 mm, riveted together, For demonstrating the differential expansion of two metals
KidWind Blade Pitch Protractor, incredibly helpful for measuring the blade pitch angle on your KidWind turbine, Recommended for College, High School, and Middle School Science
Microscope Digital compound, Super high contrast(ASC) objectives, 4x,10x, 40xR, 100xR, Coaxial focusing. LED illumination, rackless stage, 1.25 Abbe Condenser, 3.0MP built-in digital camera
Goniometer measures the angle of a joint, such as the knee or elbow. Use it to analyze the range of motion of a limb during different types of physical activity, A set of elastic straps are used to secure the sensor to the subject.