filter

AIM: To filter dirty water 

filters

1. pool
2. water
3. kettle
4. air
5. oil

materials

1. bottle
2. funnle
3. sand
4. filter paper, cone
5. pebbles
6. container

Conclusion

the water that flowed through the filter was clean with a green tint. The water flowed at 32 drops per minute. The bark soil and leaves sat on the top of the pebbles.