Density Set - PVC, Set of 12 PVC bars of different length but the same diameter. Students learn that the density of a substance is constant even as its mass and volume change. Comes in an attractive wooden holder
HOBO* Pendant* G Data Logger, 64K bytes, Measure 3-dimensional motion, such as sports activity or medical therapy compliance, users can measure acceleration and angular displacement in 1, 2 or 3 axes, Data readout in less than 30 seconds
Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
Model, Diamond Crystal, is surrounded by four atoms directed in space toward the vertices of a tetrahedron, The hardness and large density of the diamond, contains 66- 1 inch balls, Dimensions: 24 x 24 x 12 in, Weigh