Matter has mass and takes up space. With this exciting kit, students explore the relationship of mass and volume using a spring scale and hook weights...
David Willey has done it again. With his magnetic Laser Pointer Holder, laser pointer, three lenses, universal mirror, prism and magnetic adhesive for...
This visually striking lab clearly illustrates the processes of rusting, corrosion and cathode inhibition. Iron metal will rust in the presence of air...