Science Experiment: A Water Washer

Purpose Of Experiment: To introduce filtering as a way of cleaning water and to develop an appreciation of the importance of clean water.

Materials Needed:

• jar
• funnel
• sand
• water
• garden soil
• a spoon
• coffee filter

Procedure:

• Step 1: 
  

         Put the coffee filter into the funnel, 
         and put the funnel into the jar.

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• Step 2:
  

         Wet the sand.
         Put the wet sand in the coffee filter.

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• Step 3:
  

         Mix the garden soil and the water.

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Results:

• The water was much cleaner than when it had been mixed with the soil.

• The water washer worked.

• The sand was left dirty, after trapping the different bits of soil.
  

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