Filtering dirty water
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Description
Experiment to show a simple method of filtering dirty water. Can be linked to global issues
Resources
Large plastic bottle
White sand
Coarse sand
Gravel
Soil
Filter paper
Instructions
Cut off the bottom of the bottle, leaving sufficient for the top of the bottle to be upturned into it
Place a filter down into the open neck
Add two tablespoons of white sand
Add two tablespoons of coarse sand
Add two tablespoons of gravel
Mix soil with water and gently pour into the bottle
Observe how the layers filter the dirty out of the water
DO NOT ATTEMPT TO DRINK THIS WATER
Tags
- Water aid
- Water filtration
Badge Links
- Experiment - Experiment
- Global Issues - Water filter