Document Analysis: Comprehensive Lab Activities kit, designed to introduce students to the field of document analysis, Kit contains 10 unique sets of materials for 10 groups, Teachers Manual and Student Study Guide copymasters are included.
Doppler Effect Demonstration Apparatus, 92dB buzzer, 0.8m tether. Nylon cord is 2ft 8in attached to a rugged ABS handle 8.5in long, (1in diameter), Swing the apparatus and students will be able to hear the change in frequency, Dimensions: 4.5 x 5 x 3 in