The bicycle as a system
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A lesson plan for grade 7 Science
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This Science NetLinks lesson gives students an opportunity to examine the nature of systems in the context of an object with which they are very familiar—the bicycle. Students will identify the properties of the various subsystems of a bicycle and examine how they relate to the whole. While this lesson is intended for grades 6–8, it presents concepts that are more appropriate for 7th and 8th grade students.
North Carolina Curriculum Alignment
Science (2005)
Grade 7
- Goal 2: The learner will demonstrate an understanding of technological design.
- Objective 2.03: Evaluate technological designs for:
- Application of scientific principles.
- Risks and benefits.
- Constraints of design.
- Consistent testing protocols.
- Objective 2.03: Evaluate technological designs for:
- Goal 6: The learner will conduct investigations, use models, simulations, and appropriate technologies and information systems to build an understanding of motion and forces.
- Objective 6.01: Demonstrate ways that simple machines can change force.
- Objective 6.02: Analyze simple machines for mechanical advantage and efficiency.
- Objective 6.05: Describe and measure quantities that characterize moving objects and their interactions within a system:
- Time.
- Distance.
- Mass.
- Force.
- Velocity.
- Center of mass.
- Acceleration.
