Mini Water Filter
Materials
You need Sand, Gravel, Rocks, A Coffee Filter,
A Water Bottle, Scissors, Dirty Water.
A Water Bottle, Scissors, Dirty Water.
Instructions 1
Have an adult cut the bottom off a water bottle and poke a hole in the lid.
Instructions 2
Place the coffee filter into the bottle.
Instructions 3
Put the bottle lid-down into another cup or bottle, leaving room for filters water.
Instructions 4
Carefully pour some sand, then gravel, then rocks int the cup. Once that's done pour in some dirty water.
Outcome
The dirty water will be cleaned and pour into the bottom.