Density Set - Black Derlin, Set Of 12 Derlin Cylindrical Bars Of Different Length But The Same Diameter, Students Learn That The Density Of A Substance Is Constanteven As Its Mass And Volume Change. Comes In An Attractive Wooden Holder.
Density Set, Set Of 12 Polypropylene Bars Of Different Length But The Same Diameter. Students Learn That The Density Of A Substance Is Constant Even As Itsmass And Volume Change. Comes In An Attractive Wooden Holder.