7.40 Making a Microscope
8.5 Energy Transfer: Chemicals
8.30 Chemical Reactions: 2
8.55 Construction of the Heavens
9.20 Technology: Goals and Conflicts
9.45 A Local Government System
10.10 Educational Research Methods
10.35 Perception and Industrial Re-Location
11.0 Computers: Algorithms
11.25 Language and Learning
11.50 Environment
12.15 Maths: Quadratic Forms
12.40 Banking