What is filtration?
Filtration is separating solids from liquids by adding a medium through which only the liquid can pass.
Examples are:
- Tea bags
- Coffee plunger/coffee filter
- Swimming pool
- Kidney
Materials
1.Dirty water
2.bottle
3.sand
4.pebbles
5.filter papers
6.funnel
7.scissors
8.cups
9.coffee filter
Process - ( use verbs or doing words in each step )
Step 1
Cut the bottle in half.
Step 2
Put the top half upside down into the other half of the bottle.
STEP 3
Add layers of filter paper then add your sand and pebbles.
STEP 4
Get 1 cup of dirty water.
STEP 5
Pour dirty water into to the filter in the upside down bottle.
Measurements
After my group had done all of the instructions we watched our water enter the bottom bottle. It entered really fast but did not make the water clean enough to be able to drink it.
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