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.
Drilled Ball Set, 1inch Diameter, set of 12, erfect for conducting own pendulum experiments, 3mm hole is drilled down the center of each ball, Comes in a plastic container with foam padding to hold the drilled balls firmly in place
Density Materials Kit Solids, 14 Piece,Consist Fourteen Materials In The Form Of Rectangular Blocks, Intended To Familiarize The Student With The Appearance, 'Feel', Texture, Hardness And Density Of A Range Of Substances, Brass 20 X 20 X 50 mm, Iron 40 X 40 X 20 mm
Assorted Large Drilled Ball Set, set of 12, A 3mm hole is drilled through the center of each ball. Every set comes in a convenient plastic storage case, with a foam bottom that holds each ball firmly in place
Torsion of Metal Rods Apparatus, Searles, Horizontal pattern, having heavy metal pulley, two heavy metal brackets and two graduated scales are mounted on the connecting rod & two pointer can be clamped on the test rod with one brass & one steel test rod