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| Levers
and Pulleys Overview |
| OVERVIEW |
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LEVERS AND PULLEYS |
GOALS
Humans are the only living creatures that have been able
to put materials together to construct machines to do work.
Our capacity to see and invent relationships between effort
and work produced through simple machines has led us into
a world that is becoming more technologically oriented. Knowledge
of these relationships is necessary for understanding all
mechanics. The Levers and Pulleys Module
consists of four investigations that involve students in fundamental
concepts of simple machines.
FOSS EXPECTS STUDENTS TO
- Gain experience with the concept of force and the application
of force to do work.
- Gain experience with the relationships between the components
of lever systems and pulley systems.
- Gain experience with the concept of advantage as it relates
to simple machines.
- Analyze real-world tools and machines in terms of the
simple machines that make them work.
- Systematically collect and record data.
- Use measurement in the context of scientific investigations.
- Use diagrams to translate three-dimensional relationships
into two dimensions.
- Acquire vocabulary associated with two simple machines
(levers and pulleys).
- Apply mathematics in the context of science.
- Use scientific thinking processes to conduct investigations
and build explanations: observing, communicating, comparing,
organizing, and relating.
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