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The Bicycle as a System Lauren Banks Education 373 28 October 2009
Science Standard 7:Common Themes Standard 6.7.1 – Describe that a system, such as the human body, is composed of subsystems. Link to Standard:  http://dc.doe.in.gov/Standards/AcademicStandards/StandardSearch.aspx Link to Activity: http://www.sciencenetlinks.com/lessons.php?DocID=12
Definitions System – is a set of entities, real or abstract, where each entity interacts with, or is related to, at least one other entity.   Subsystem – a set of elements, which is a system itself, and a part of the whole system.
QUESTIONS TO THINK ABOUT! What is your experience with bicycles? What do you know about bicycles? What do you know about the way they work? Click the link below to read about one of the earliest bicycles, how it worked, and the design changes that improved its use. BICYCLE ARTICLE
ARTICLE REVIEW QUESTIONS How do early bicycles differ from bicycles made today?  What accounted for the popularity of bicycles when they were first invented in the  late 1800s? What accounts for the popularity of bicycles today?  Identify the various parts of the bicycle.  Describe some of the properties of these parts.  What is the purpose of a bicycle system?
Choose a Bicycle Subsystem to Research & Explore   The Wheel  Drivers & Gears  Frames & Materials  Brakes & Steering  Aerodynamics  Human Power
#1 	Describe the subsystem that you or your group researched. What is its main function within the bicycle system?
How does the subsystem affect the bicycle’s speed, safety, comfort, and durability? #2
Can your subsystem carry out the job of the whole bicycle?  Why or why not? #3
Is it useful to think of a bicycle as a system? Justify your answer. #4
How does learning about bicycle systems & their subsystems help you understand the way a human body works?  #5
Type your answers for questions # 1-5 on the PBWiki page.

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Educ373 Indicator Activity #3

  • 1. The Bicycle as a System Lauren Banks Education 373 28 October 2009
  • 2. Science Standard 7:Common Themes Standard 6.7.1 – Describe that a system, such as the human body, is composed of subsystems. Link to Standard: http://dc.doe.in.gov/Standards/AcademicStandards/StandardSearch.aspx Link to Activity: http://www.sciencenetlinks.com/lessons.php?DocID=12
  • 3. Definitions System – is a set of entities, real or abstract, where each entity interacts with, or is related to, at least one other entity. Subsystem – a set of elements, which is a system itself, and a part of the whole system.
  • 4. QUESTIONS TO THINK ABOUT! What is your experience with bicycles? What do you know about bicycles? What do you know about the way they work? Click the link below to read about one of the earliest bicycles, how it worked, and the design changes that improved its use. BICYCLE ARTICLE
  • 5. ARTICLE REVIEW QUESTIONS How do early bicycles differ from bicycles made today? What accounted for the popularity of bicycles when they were first invented in the late 1800s? What accounts for the popularity of bicycles today? Identify the various parts of the bicycle. Describe some of the properties of these parts. What is the purpose of a bicycle system?
  • 6. Choose a Bicycle Subsystem to Research & Explore The Wheel Drivers & Gears Frames & Materials Brakes & Steering Aerodynamics Human Power
  • 7. #1 Describe the subsystem that you or your group researched. What is its main function within the bicycle system?
  • 8. How does the subsystem affect the bicycle’s speed, safety, comfort, and durability? #2
  • 9. Can your subsystem carry out the job of the whole bicycle? Why or why not? #3
  • 10. Is it useful to think of a bicycle as a system? Justify your answer. #4
  • 11. How does learning about bicycle systems & their subsystems help you understand the way a human body works? #5
  • 12. Type your answers for questions # 1-5 on the PBWiki page.