Lets Go Investigating Temperature, Lab book, Aimed especially for elementary teachers, this lab book contains ten engaging temperature experiments, Activities for grade 2 through 5, Lots of teacher tips, Clear illustrations to facilitate underst
Slit, Five single slits of different widths in a slide frame. Specifications: Slit widths: 0.1/ 0.2/ 0.4/ 0.8/ 1.6 mm, Dimensions: 50x50 mm2, Weight: 0.02 kg