Explains principle of an inclined plane and concept of work in terms of force and distance. Describes other inclined planes including wedge and screw.
Category Archives: 1960s
Uses animation to show how the trachea, bronchi and lungs function and how they are affected by smoking. Points out that although bronchitis and emphysema are thought of as ‘old folks’ diseases, they are striking the younger population. Emphasizes health hazards in smoking. Shows that bronchitis and emphysema are increasing among young people. Animation photography [...]
Compares John Glenn’s Friendship Seven with Columbus’s journey. Awesome footage and dialog. A thought provoking film which raises questions in both science and social studies. What are the values of space research? How does itrelate to world problems? How will new knowledge change your life?The theme is brought to life through a superbly documented historicevent: [...]