What is Engineering Design Seek under constraint solutions
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What is Engineering? • Design • Seek under constraint solutions for societal problems and needs • Aims to produce the best solution given time and cost restraints • Examples of engineered products include pencils, shoes, cell phones, processes (e. g. to clean water), new medicines and software
Why the need for Engineers? • America needs engineers • We need to reach and ignite students when they are young. This is an opportune time because children’s curiosities are high and they are natural explorers. • Students need to understand that engineering is a process that can be used in daily life and lead to a variety of career options.
EDP is an Iterative Process Source: NASA, University of Maryland Baltimore Academy
STEP 1: ASK! Watch NASA BEST video #2: Take notes. http: //www. nasa. gov/audience/foreducators/best/edp. html Overview: • Clarify the problem • Know your constraints • Find knowledge of what other people have done in the past
STEP 2: IMAGINE! Watch NASA BEST video #3: Take notes. http: //www. nasa. gov/audience/foreducators/best/edp. html Overview: • Brainstorm possible solutions to the problem • No ideas are bad (at this time) • Students need training in brainstorming • Don’t spend too much time here
STEP 3: PLAN! Watch NASA BEST video #4: Take notes. http: //www. nasa. gov/audience/foreducators/best/edp. html Overview: • Chose one idea that is doable, testable, and practical • Draw a design of your prototype that is usable • List materials that are obtainable, affordable, and safe
STEP 4: CREATE! • Watch NASA BEST video #5: Take notes. http: //www. nasa. gov/audience/foreducators/best/edp. html Overview • Follows the design to create the prototype • Make sure to stay within the constraints • Add anything missing to your design to make it work, but keep track of changes.
STEP 5: EXPERIMENT! Watch NASA BEST video #6: Take notes. http: //www. nasa. gov/audience/foreducators/best/edp. html Overview • Test your prototype • Collect and record data • Analyze data to see changes in patterns and relationships
STEP 6: IMPROVE! Watch NASA BEST video #7: Take notes. http: //www. nasa. gov/audience/foreducators/best/edp. html Overview • Review and analyze the results from data • Repeat the EDP to optimize your product
Engineering Design Challenge (sample) You are stranded on the top of a cliff and there is only one way to safety. . . over the edge! You have limited supplies and time is of the essence. Design a device using your supplies (sheet of paper) to safely transport yourself (binder clip) from the top of the cliff (6 feet) to the boat below. The slower you fall, the safer you are! OFFICE OF CURRICULUM, INSTRUCTION & STUDEN SUPPORT Hawaii. Public. Schools. org
Constraints In your group, using the same materials, you will discuss, decide, and then design a device to transport you down the cliff to the safety of the beach. Safely landing means: • You land on the beach (27" x 16"paper) • To increase survival chances the falling time with paper should be half the speed of just the binder clip = = OFFICE OF CURRICULUM, INSTRUCTION & STUDEN SUPPORT Hawaii. Public. Schools. org
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