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| 1. The students will be given K'nex and
a set of instructions to make a bike model.
2. A bicycle will be brought into the classroom. 3. The students will look at a transparency that asks them to label the parts of the bicycle. They will do this as a class. The parts will be listed on the board so they know what to choose from. 4. The students will be asked to compare the model bicycle and the real one, which will be a 10 speed. 5. The students will be introduced to the benefit of the use of gears. 6. The students will be asked to describe what would happen if they were going up hill on a bicycle. Both, 10 speed and a bicycle that doesn't have gears. 7. The students will get the opportunity to go outside and ride a bicycle and experience what happens when they switch gears. 8. The students will look at diagrams of gears. They will be told more in depth about how the gears work. |
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| 1. The transparency labeling will show
their knowledge of the components of a bicycle.
2. Their explanation of what would happen when riding a bicyle with gears vs. riding one without gears. 3. The students will be again asked what a gear will do when they are riding uphill, thus illustrating the importance as well as the function. |
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| Urquhart, David Inglis The Bicycle and How it Works 1972 |