WebYou could make one filter using the charcoal, make another one using the fired clay, or make one filter that uses both, or make one with just sand - experiment! Place a cup under your filter to catch the filtered water. … WebBriefly explain experiment. ... 3 oz and 5 oz solo cups (Put 3-5 holes in bottom of 5 oz cup. A toothpick works well.). ... The coffee filter is given to the students to take home to remind them that soil is a filter. Discussion points: Remember that blue and red make purple. The smallest soil particles (clays) have a negative charge.

Space Saver Water Pitcher Brita

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Filtration Procedure - USGS Mercury Research Laboratory

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