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Topic: Levers in the Human Body |
Rationale: Students will observe how muscles and bones work together to move joints and investigate lever systems in the human body.
Keywords: bone, class, contract, effort, extension, flexion, force, fulcrum, joint, lever, move, movement, muscle, nerve, opposable, percentage, pull, resistance, system
Lessons & Activities | Objectives | Evaluation | Funding
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| Lesson 1: Puppet on a String : An Engaging Look at Movement |
| Lesson 2: Just a little Bit of Effort: Exploring Levers |
| Lesson 3: Levers in the Body: They Are Not What You Might Think! |
Observe how muscles and bones work together to move joints
Observe that joints are operated by opposable muscles
Distinguish between joint flexion and extension
Observe that muscles can work only by pulling (contracting)
Name and define the parts of a lever
Describe the location of the fulcrum, effort and resistance in each class of lever
Investigate the forces involved in each class of lever
Draw conclusions regarding appropriate application of each class of lever Investigate lever systems in the human body
Observe how muscles and bones work together to move joints
Observe that joints are operated by opposable muscles
Distinguish between joint flexion and extension
Observe that muscles can work only by pulling (contracting)
Explain that experts do not agree on classification of some joints as specific classes of levers
Discrepant Design Pre/Post Test
Discrepant Design Pre/Post Test Answer Sheet & Key
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Positively Aging® Curriculum Program Funding 1997-2008:
National Institutes of Health
National Center for Research Resources
National Institute on Aging
Science Education Partnership Award
Grant # R25 RR 18549
