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Oral Presentation Rubric
Collaborative Rubric
Laboratory Rubric
Pre-assesment Sheet for Technology
Daily Assignment Sheet
Article on Lead in drinking water
Building the Simple Filter for the Scenario
1 2 L plastic bottle with the bottom cut out (invert to use as a filter container)
2 screen material to push into the opening (mouth) of the bottle to keep gravel in
3 a number of filtering materials including, but not limited to, gravel, cotton, cloth scraps, sand, and activated charcoal.
4 Ring stand, small and large rings, glass
5 universal indicator in dropper bottle
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Spectrometric Method Using Dithizone: For advanced students
Hatch Kit Method: Simplified method to detect lead presence
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