Unit C: Building Devices and Vehicles that Move
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General Learning Expectations
4-7 Construct a mechanical device for a designated purpose, using materials and design suggestions provided. 4-8 Explore and evaluate variations to the design of a mechanical device, demonstrating that control is an important element in the design and construction of that device. Students apply simple techniques and tools in building devices and vehicles that move. In constructing these objects, students apply precious learning about structures and explore new applications for wheels, rollers, gears, pulleys and a variety of levers and connectors. They learn that different forms of energy can be used to propel their model devices: in some cases, a direct push; in other cases, the stored energy from a compressed spring or falling weight. On completing their projects, students learn to evaluate their work, by describing the effectiveness of the device and the appropriateness of materials used. |
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Students will:
- Design and construct devices and vehicles that move or have moving parts - linkages, wheels and axles.
- Use simple forces to power or propel a device; e.g., direct pushes, pulls, cranking mechanisms, moving air, moving water and downhill motion.
- Design and construct devices and vehicles that employ energy-storing or energy-consuming components that will cause motion; e.g., elastic bands, springs, gravity, wind, moving water.
- Recognize the need for control in mechanical devices, and apply control mechanisms where necessary.
- Compare two designs, identifying the relative strengths and weaknesses of each.
- Identify steps to be used in constructing a device or vehicle, and work cooperatively with other students to construct the device or vehicle.
- Design and construct several different models of a device and evaluate each model, working cooperatively with other students.
elastic_band_land_division.doc | |
File Size: | 126 kb |
File Type: | doc |