Examples are:
- tea bag
- coffee grinder
- water jug
- pool filter
Materials
1 1.5 plastic bottle
2 filter paper
3 sand
4 cup
5 gravel
6 dirty water
7 scissor
8 craft knife
steps
1. Cut the bottle with craft knife and scissors
2 . Put the put the funnel upside down then put container the right side up.
3 . Add layers of filter paper and then pack sand in the filter paper then add the gravel to the mix and then add a cup of dirty water.
4. Get 1 cup of dirty water.
5. Pour dirty water into the bottle
Our one was a good because it was dripping and that was the aim and our was clean but not that clean