Motor Car Science Lesson

thingiverse

Human: A science lesson has been upgraded to include a 3D design component. Students create a car from found resources and a small DC motor, then compete to see whose design reaches the finish line first. The twist is that they now use 3D printed wheels and pulleys. Print Settings Printer Brand: MakerBot Printer: MakerBot Replicator (5th Generation) Rafts: Doesn't Matter Supports: No Resolution: 0.1 Infill: 100 Notes: These parts are small and take a lot of wear on the motors, so I used 100% infill. Post-Printing For this project, I printed various components for students to use in their designs. Assembly Procedure 1.Before constructing their vehicles, students will create a detailed blueprint of their design. Approval must be obtained before building begins. 2.After approval, students will make a list of needed materials and submit 3D printing requests. Construction of an electric car is an engineering project that requires precision and consideration. Materials Needed Cars are made from found materials: cardboard, straws, wooden dowels (skewers), glue guns, and 3D printed parts (wheels, pulleys). Standards National Science Education Standards Grades 5-8: CONTENT STANDARD B: Physical Science Motors and forces Transfer of energy National Science Education Standards Grades 9-12: CONTENT STANDARD B: Physical Science Motions and forces Interactions of energy and matter Standards for Technological Literacy - All Ages: Technology and Society Standard 7: Students will develop an understanding of the influence of technology on history. Design Standard 10: Students will develop an understanding of the role of troubleshooting, research and development, invention and innovation, and experimentation in problem solving. The Designed World Standard 16: Students will develop an understanding of and be able to select and use energy and power technologies. Skills Learned Motor Electric car Engineering 3D design Duration of Lesson Depending on the number of parts available and iterations allowed, this lesson can take up to two weeks. Preparation Teachers may lay out supplies for students or have them responsible for their own. The electric motor lesson will be introduced, and students will learn how to design a scale model for their car. Rubric and Assessment Students will be graded on the quality of their designs and the distance their cars can travel. A final assessment will involve creating a PowerPoint presentation describing their design process.