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Understanding of labor: Issues
Exercise sheet with questions about the concept of labor.
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Gravity
Three documents that you can use to evaluate the material on gravity or to make exercises.
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Optics: Issues and units
This contribution challenges pupils to:
- note in the SI conditions quantities and units;
- quantities and units to be converted;
- to integrate in the calculation speed of light;
- to seek information and selecting a web text.
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