Divide into groups based on the challenges selected.Present the list of design challenges and encourage students to discuss them and select the challenge they wish to work on.They will work in small groups to sketch possible solutions, build prototypes, and create finished blueprints for their inventions. In this activity, students will get to choose from a list of design challenges. He saw ways that machines could save people time and effort, and he used his creativity and his understanding of machinery to design and sketch his inventions. Teaching Tip: Explain that Leonardo created machines to solve many problems during his lifetime. Materials: paper, pencils with erasers, copies of the Materials Requisition Form, copies of the Design Challenges and Suggested Materials List The more experience students have had observing and sketching machines to see how they work, the more they will be ready for this more creative challenge. Teaching Tip: This activity will be more successful after a class has completed the Gadget Anatomy activity. Illustrate an invention so that other people can understand how it works. Select and apply the elements of machines in new situations. Learning Objectives: Experience the process of designing an invention to meet a challenge. Final diagrams and images of their designs can be sent to this site for display in the Visitor's Invention Gallery. Using a variety of materials they can create small working models of their inventions to test and improve them. Main Idea: Students will imagine and design inventions to solve specific challenges.
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