Mini Density cube set,Study Several Properties of Matter. Learn about density, mass, volume, buoynacy, specific gravity, and flotation while experimenting with real-world materials. Made from commonly used aluminum, copper, steel, brass, and zinc.
Glass Depression Slide, for use with specimens in liquid, Quality-Slide-Making Supplies, Aquatic Microorganisms Visible with These Slides, Round Corners for Safety, Thickness: 1.5 mm, Length: 3in, Width: 1in, Pack of 12