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In this activity, learners explore the concept of how brakes can stop or slow mechanical motion. Learners examine the operation of a bicycle brake and use low cost materials to devise a simple braking system, then work as a team to suggest improvements to current bicycle brake designs.
- 5 to 10 minutes
- 45 to 60 minutes
- $5 - $10 per group of students
- Ages 8 - 11
- Activity, Lesson/Lesson Plan
- English
Quick Guide
Materials List (per group of students)
- Student Resource Sheets
- Student Worksheets
- Marble or ball less than 1 inch in diameter
- 1 inch foam pipe insulation (about 12 inches)
- Cardboard tube from paper towels
- PVC pipe (about 12 inches, similar diameter to towel tube)
- String
- Rubber bands
- Bicycle with working rim brake for examination (optional)
Subjects
-
Engineering and Technology
-
Engineering
- Mechanical Engineering
- Metallurgy and Materials Engineering
- Transportation Engineering
-
Technology
- Transportation
-
Engineering
-
Physical Sciences
-
Energy
- Potential and Kinetic Energy
- Work and Machines
-
Motion and Forces
- Machines
- Momentum and Velocity
- Acceleration
-
Energy
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
- Communicating Results
-
The Scientific Process
-
The Nature of Technology
-
Technology and Society
- Impacts of Technology
-
The Design Process
- Research and Development
- Invention and Innovation
- Problem Solving
- Troubleshooting and Maintenance
-
Technology and Society
Informal Categories
- Toys
- Transportation
Audience
To use this activity, learners need to:
- see
- read
- touch
Learning styles supported:
- Involves teamwork and communication skills
- Involves hands-on or lab activities
Other
Components that are part of this resource:
Includes alignment to state and/or national standards:
This resource is part of:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, IEEE,