WATER PURIFICATION
1. Look at the supplies available for the filters and pick one of the materials to
test.
Name of material used: _________________________________
Filtered: _____________________________________________
2. Test the rest of the materials available, one at a time.
Material
Contaminant Filtered
3. Make Your Water Filter:
Draw and label the layers in your filter on the image:
4. Write your predictions of what type of “pollution” might be removed by each
layer of the filter materials:
Layer Number
Layer 1
Layer 2
Layer 3
Contaminant Filtered
Layer 4
5. Filter Your Water and Make Observations:
Water Characteristics
Observations
Color
Transparency
Contaminants
Smell
6. Let’s try it again! Make Your Water Filter by changing either the materials,
or the order, or the amount (Do not change more than one variable, why?):
7. Filter Your Water and Make Observations:
Water Characteristics
Color
Transparency
Contaminants
Smell
8. Which filter worked best?
Observations