Classification of Chemicals: Elements, Compounds and Mixtures Kit, three lab activities to help understand the differences between elements, compounds and mixtures, Kit contains enough materials for 15 groups.
Classification, ECC (Early Childhood Curriculum) module is designed to help lay a foundation for the beginnings of concrete operations. This kit helps students focus on identifying properties of objects and matching objects. Teacher's guide included
Laser Diode For Debye-Sears Effect, Wavelength: Approx. 650 Nm, Supply Voltage: 3 V Dc, Power: < 1 Mw, Current Consumption: Max. 30 Ma, With 1 M Connector Lead And Barrel Connector For Connecting ultrasonic Cw Generator, Dimensions: 90 mm X 17 mm Diameter.
Laser Diode For Debye-Sears Effect, Color: Green, Wavelength: Approx. 532 Nm, Power: < 5 Mw, Supply Voltage: 3 V Dc, Current Consumption: Max. 250 Ma, Dimensions: 90 mm X 17 mm Dia, With 1 M Connector Lead For Connecting ultrasonic Cw Generator.