Technology 4 ESO extra activities Unit 1: THE HISTORY OF TECHNOLOGY Page 5 Activity 2Page 9 Activity 13Page 14 Activity 40Page 14 Activity 41 Unit 2: ELECTRONICS Page 16 Activity 1Page 18 Activity 7Page 19 Activity 9Page 20 Activity 12Page 22 Activity 16Page 26 Activity 26Page 28 Activity 32Page 28 Activity 33 Unit 3: DIGITAL ELECTRONICS Pages 39, 40 & 41 DEEDS Unit 4: COMMUNICATION TECHNOLOGY Page 50 Activity 23Page 54 Activity 35Page 54 Activity 45Page 54 Activity 54 Unit 5: CONTROL AND ROBOTICS Page 58 Activity 6Page 63 Activity 20 Unit 6: HOUSEHOLD UTILITIES Page 67 Activity 3 Unit 7: PNEUMATIC AND HYDRAULIC CIRCUITS Page 89 Activity 14Page 90 Activity 16Page 95 Activity 27Page 99 Activity 52 Unit 8: HARDWARE AND COMPUTER NETWORKS Page 103 Activity 4 Unit 9: DESIGN SOFTWARE Page 117 Activity 8Page 123 Activity 15Page 125 Activity 16Page 127 Activity 17