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Tide, Wings or Surf By:

#6, #10, and #12

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ProblemWhich detergent is best at removing coffeestains?

TideWingsSurf

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Hypothesis

I think that if I use Tidethen it will remove more

coffee stains.

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Experimental DesignManipulated Variable Type of detergent used

Responding Variable The cleanliness of the cloth

Controlled VariableAmount of waterSize of clothSize of basin

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MaterialsWaterWhite cloth (3 pieces)

Basin (3 pieces)Coffee

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Procedures1. Stain all three cloths with coffee2. Let the cloths dry

3. Fill all three basins with water4. Place one piece of cloth in each basin5. Let them stay there for three hours6. See what happens