NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to...
Transcript of NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to...
![Page 1: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/1.jpg)
LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
June 4, 2012
NES: Engineering Design Challenge: Forces and Motion –
The Great Boomerang Challenge
Presented by: Rudo Kashiri
![Page 2: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/2.jpg)
Engineering Design Challenge:Forces and Motion
The Great Boomerang Challenge
Rudo Kashiri
NES Education SpecialistNASA Langley Research Center
![Page 3: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/3.jpg)
AgendaLesson overview
NASA connection
STEM connection
Extensions & resources
NASA Explorer Schools
![Page 4: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/4.jpg)
IntroductionGrade Level: 9 through 12
Subject Areas: Science and Engineering
National Education Standards
‐ Physical Science: Forces and Motion
‐ Science and TechnologyAbilities of technological designUnderstanding about science and technology
Prep Time: 30 minutes
Class Time: Three 50‐minute periods
![Page 5: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/5.jpg)
Learning Objectives
Use the engineering design process to complete a team challenge
Show how aerodynamic forces influence the flight characteristics of designs‐ including Bernoulli’s Principle
![Page 6: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/6.jpg)
Lesson Support
![Page 7: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/7.jpg)
Boomerangs were once used as weapons.
Poll Question
✔ True
✖ False
![Page 8: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/8.jpg)
Let’s Pause forQuestions.
![Page 9: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/9.jpg)
Lesson in Detail
Boomerang Design Challenge:
Design and construct a returning boomerang that will allow for the greatest flight distance relative to the accuracy of boomerang return.
![Page 10: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/10.jpg)
Materials
Sheets of craft foam
![Page 11: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/11.jpg)
Engage
Explore
Explain
Extend
Evaluate
5‐E Inquiry Lesson Design
![Page 12: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/12.jpg)
Engage
Gain attention, recall prior knowledge, and introduce the learning objectives/problem
![Page 13: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/13.jpg)
Explore
Design, build, and test a model boomerang
![Page 14: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/14.jpg)
Throwing the boomerang
![Page 15: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/15.jpg)
Measure
![Page 16: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/16.jpg)
DesignDesign
BuildBuild
TestTestRecordDataRecordData
AnalyzeResultsAnalyzeResults Engineering
Design ProcessEngineering
Design Process
![Page 17: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/17.jpg)
Design Factors
• Mass• Number of blades• Blade length• Blade thickness• Camber• Left‐handed vs. right‐handed• Angle of attack
![Page 18: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/18.jpg)
Let’s Pause forQuestions.
![Page 19: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/19.jpg)
Explain
Discuss the aerodynamic forces and allow students to explain reasons for their designs
![Page 20: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/20.jpg)
Will a boomerang work in microgravity?
✔ Yes
✖ No
Poll Question
![Page 21: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/21.jpg)
Extend
Discuss principles of boomerang flight on Earth vs. aboard ISS
![Page 22: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/22.jpg)
Evaluate
Use Evaluation Rubric‐Design Packet to assess student learning
![Page 23: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/23.jpg)
Let’s Pause forQuestions.
![Page 24: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/24.jpg)
NASA Connection
Aerodynamics research
Engineering studies
Computer simulation technology
NASA low‐speed airfoil research
![Page 25: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/25.jpg)
X‐48 Experimental Aircraft
![Page 26: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/26.jpg)
![Page 27: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/27.jpg)
Set airfoil angle at 0.0 degrees
Push Velocity, Animation, and Close View buttons
Move the probe to “A” ‐What is the velocity?
Move the probe to “B” ‐What is the velocity?
Experiment #1
![Page 28: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/28.jpg)
How does velocity of A compare to B?
![Page 29: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/29.jpg)
Airfoil angle: 4.5 degrees Change angle to 4.5 degrees‐What is the value of lift?
What is the velocity on the upper and lower surface of the foil?‐Which surface has higher velocity?
Push the Pressure button‐Which surface has higher pressure?
How does this relate to the velocity?
![Page 30: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/30.jpg)
Which surface has higher velocity?
![Page 31: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/31.jpg)
Which surface has higher pressure?
![Page 32: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/32.jpg)
Bernoulli's Principle
![Page 33: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/33.jpg)
How is a boomerang like an airplane?
![Page 34: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/34.jpg)
![Page 35: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/35.jpg)
Which of the following can be used to describe the flight of a boomerang?
Aerodynamic lift
Newton’s 2ndlaw of motion
CentripetalforceGyroscopic precession
Moment of inertia
![Page 36: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/36.jpg)
How does a boomerang work?
Wings produce lift
The boomerang moves forward and spins, creating uneven lift
The spinning produces gyroscopic stability
![Page 37: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/37.jpg)
Sample Physics Question
What happens to Angular Momentum (L)if the Angular Velocity (ω) is left constant while the Moment of Inertia (I) increases?
Angular Momentum (L) = Moment of Inertia (I) multiplied by Angular Velocity (ω)
![Page 38: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/38.jpg)
Using Newton’s second law of motion: F = mato calculate p, momentum
F = mama = dp/dtF = dp/dtp = m v
To calculate Torque is the rate of change of angular momentum, dL/dt.
Calculations Examples
![Page 39: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/39.jpg)
Let’s Pause forQuestions.
![Page 40: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/40.jpg)
Lift Misconception
Equal transit time:
Incorrect airplane wing explanation
![Page 41: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/41.jpg)
![Page 42: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/42.jpg)
1. Push Direction button and change the angle to 4.5
2. Move the yellow particle at both A and B to the rear of the airfoil
3. Do the particles line up far downstream from the airfoil?
![Page 43: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/43.jpg)
Experiment #2 1. Push Direction button2. Change the angle to a
positive number
Use the slider to move the yellow particle to the rear of the airfoil
Do the particles line up far downstream from the airfoil?
![Page 44: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/44.jpg)
Particles do not line up far downstream from the airfoil
Incorrect airplane wing explanation
![Page 45: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/45.jpg)
![Page 46: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/46.jpg)
Let’s Pause forQuestions.
![Page 47: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/47.jpg)
http://explorerschools.nasa.gov
![Page 48: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/48.jpg)
Video Collection
![Page 49: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/49.jpg)
http://explorerschools.nasa.gov
Thank you for joining us today.
![Page 50: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/50.jpg)
Thank you to the sponsor of tonight's Web Seminar:
This web seminar contains information about programs, products, and services offered by third parties, as well as links to third-party websites. The presence of a listing or such information does not constitute an endorsement by NSTA of a
particular company or organization, or its programs, products, or services.
![Page 51: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/51.jpg)
http://learningcenter.nsta.org
![Page 52: NES: Engineering Design Challenge: Forces and Motion – The ......Jun 04, 2012 · Thank you to the sponsor of tonight's Web Seminar: This web seminar contains information about](https://reader036.fdocuments.in/reader036/viewer/2022071419/61175cdd10492557c261737b/html5/thumbnails/52.jpg)
National Science Teachers AssociationGerry Wheeler, Interim Executive Director
Zipporah Miller, Associate Executive Director Conferences and Programs
Al Byers, Assistant Executive Director e-Learning
LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
NSTA Web SeminarsPaul Tingler, Director
Jeff Layman, Technical CoordinatorBrynn Slate, Program Coordinator