Center of Mass and Center of Pressure: Engineering a Stable Rocket

Transcription

1 LIVE INTERACTIVE YOUR DESKTOP Center of Mass and Center of Pressure: Engineering a Stable Rocket Presented by: Marti Phipps June 4, :30 p.m. 8:00 p.m. Eastern time 1

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3 NSTA Learning Center 10,800+ resources 3,700+ free! Add to My Library to access at your convenience Community forums Online advisors to assist you Tools to plan and document your learning 3

4 Introducing today s presenter Marti Phipps NASA Explorer Schools Education Specialist Jet Propulsion Laboratory Pasadena, CA 4

5 explorerschools.nasa.gov From the Rockets Educator Guide

6 Are you a participant of NASA Explorer Schools? Yes No explorerschools.nasa.gov

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8 Classroom videos Presentation slides Links to NASA sites Related activities explorerschools.nasa.gov

9 Where are you with the NGSS? Type your thoughts on the screen.

10 explorerschools.nasa.gov GRADE LEVEL 6-8

11 Outline The NASA Connection Navigating the Activity Building a Rocket and a Launcher STEM Concepts Additional Resources explorerschools.nasa.gov

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18 Let s Pause for Questions Please type your questions in the chat! explorerschools.nasa.gov

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20 Which civilization is credited with the first recorded use of rocket propulsion? A. Chinese B. Russian C. Greek D. German explorerschools.nasa.gov

21 Which civilization is credited with the first recorded use of rocket propulsion? A. Chinese B. Russian C. Greek D. German explorerschools.nasa.gov

22 Which civilization is credited with the first recorded use of rocket propulsion? A. Chinese B. Russian C. Greek D. German explorerschools.nasa.gov

23 Which civilization is credited with the first recorded use of rocket propulsion? A. Chinese B. Russian C. Greek D. German explorerschools.nasa.gov

24 explorerschools.nasa.gov A Pictorial History

25 To Current Day and Beyond explorerschools.nasa.gov

26 explorerschools.nasa.gov Applying Newton s Laws

27 Center of Mass and Center of Pressure: Engineering a Stable Rocket MS. Forces and Interactions Performance Expectations MS-PS2-2: Planning an investigation to provide evidence that the change in an object s motion depends on the sum of the forces on the object and the mass of the object. Dimensions Science and Engineering Practices Disciplinary Core Ideas Crosscutting Concepts Asking questions and defining problems. Planning and carrying out investigations. Constructing explanations and designing solutions. PS2.A: Forces and motion Influence of science engineering and technology on society and the natural world. explorerschools.nasa.gov

28 Center of Mass and Center of Pressure: Engineering a Stable Rocket MS. Engineering Design Performance Expectations MS-ETS1.1: Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution. MS-ETS1-2: Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem. MS-ETS1-3: Analyze data from the tests to determine similarities and difference among several design solutions to identify the best characteristics of each. Dimensions Science and Engineering Practices Disciplinary Core Ideas Crosscutting Concepts Asking Questions and Defining Problems Analyzing and Interpreting Data Engaging in Argument from Evidence ETS1.A: Defining and Delimiting Engineering Problems ETS1.B: Developing Possible Solutions ETS1.C: Optimizing the Design Solution Influence of Science, Engineering, and Technology on Society and the Natural World explorerschools.nasa.gov

29 explorerschools.nasa.gov Teacher Pages

30 explorerschools.nasa.gov Student Pages

31 explorerschools.nasa.gov Calculating Area

32 Let s Pause for Questions Please type your questions in the chat! explorerschools.nasa.gov

33 LAB SAFETY explorerschools.nasa.gov

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35 Minimal cost Easy to assemble and use Parts at plumbing or hardware stores explorerschools.nasa.gov Pop! Rocket Launcher

36 explorerschools.nasa.gov Shopping and Assembly

37 Center of Mass and Center of Pressure: Engineering a Stable Rocket MS. Forces and Interactions Performance Expectations MS-PS2-2: Planning an investigation to provide evidence that the change in an object s motion depends on the sum of the forces on the object and the mass of the object. Dimensions Science and Engineering Practices Disciplinary Core Ideas Crosscutting Concepts Asking questions and defining problems. Planning and carrying out investigations. Constructing explanations and designing solutions. PS2.A: Forces and motion Influence of science engineering and technology on society and the natural world. explorerschools.nasa.gov

38 Center of Mass and Center of Pressure: Engineering a Stable Rocket MS. Engineering Design Performance Expectations MS-ETS1.1: Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution. MS-ETS1-2: Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem. MS-ETS1-3: Analyze data from the tests to determine similarities and difference among several design solutions to identify the best characteristics of each. Dimensions Science and Engineering Practices Disciplinary Core Ideas Crosscutting Concepts Asking Questions and Defining Problems Analyzing and Interpreting Data Engaging in Argument from Evidence ETS1.A: Defining and Delimiting Engineering Problems ETS1.B: Developing Possible Solutions ETS1.C: Optimizing the Design Solution Influence of Science, Engineering, and Technology on Society and the Natural World explorerschools.nasa.gov

39 explorerschools.nasa.gov Class Discussions

40 explorerschools.nasa.gov Assembly

41 What qualifies a successful launch? explorerschools.nasa.gov

42 How can this lesson cover NGSS? Type your thoughts on the screen.

43 Let s Pause for Questions Please type your questions in the chat! explorerschools.nasa.gov

44 Design Analyze Results Engineering Design Process Build explorerschools.nasa.gov Record Data Test

45 Video Series: Science Project explorerschools.nasa.gov

46 weight lift drag thrust Forces on a Rocket explorerschools.nasa.gov

47 center of gravity center of pressure Rocket Stability explorerschools.nasa.gov

48 Finding Center of Gravity For simple shapes: Balance the rocket from a string or on an edge such as your finger or a meter stick x explorerschools.nasa.gov

49 Finding Center of Gravity For more complex shapes: Hang the rocket from some point Drop a plumb line from that point Draw line on rocket along string Repeat from another point Find the point of intersection explorerschools.nasa.gov

50 Finding Center of Pressure Trace the shape of the rocket on cardboard Cut out the shape Determine the balance point x explorerschools.nasa.gov

51 Mathematical Approximation Center of Gravity d n d b d f explorerschools.nasa.gov

52 Mathematical Approximation Center of Pressure d n d b d f explorerschools.nasa.gov

53 Let s Pause for Questions Please type your questions in the chat! explorerschools.nasa.gov

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55 explorerschools.nasa.gov RocketModeler III

56 explorerschools.nasa.gov Rocket Wind Tunnel

57 explorerschools.nasa.gov Launch Altitude Tracker

58 Calculating Altitude explorerschools.nasa.gov Additional Explorations

59 Advanced High-Power Paper Rockets explorerschools.nasa.gov

60 Foam Rockets Objective: Rocket Stability Trajectory Description: Construct rockets to investigate the relationship between launch angle and range explorerschools.nasa.gov

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63 Thanks to today s presenter! Marti Phipps NASA Explorer Schools Education Specialist Jet Propulsion Laboratory Pasadena, CA 63

64 Thank you to the sponsor of tonight s web seminar: 64 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.

65 National Science Teachers Association David Evans, Ph.D., Executive Director NSTA Web Seminar Team Al Byers, Ph.D., Assistant Executive Director, e-learning and Government Partnerships Brynn Slate, Manager, Web Seminars, Online Short Courses, and Symposia Jeff Layman, Technical Coordinator, Web Seminars, SciGuides, and Help Desk 65