What is filtration?
Filtration is separating solids from liquids by adding a medium through which only the liquid can pass.
Examples are:
- Tea bag
- Coffee
- A pool has a filter
- Kidney
Materials
1.fillter paper
2.sand
3.pebles
4.cup
5.sisers
6.bottle
7.dirty water
8.funel
Process - ( use verbs or doing words in each step )
Step 1
Cut the bottle.....In half
Step 2
Put the top half upside down .......inside the bottle
STEP 3
Add layers of ....fillter paper then add sand/pebble
STEP 4
Get 1 cup of dirty water
STEP 5
Pour dirty water into ......the upside down bottle
Measurements
Write a short sentence about the water every 1 minute.
Include 'How much water has filtered through', 'How fast it is dripping through', and 'How clear the water is'.