What is filtration?
Filtration is separating solids from liquids by adding a medium through which only the liquid can pass.
Examples are:
- Kettle
- swimming pool
- water pump
- plunger
Materials
1. bottle
2. filter paper
3. sand
4. stones / pebbles
5. dirty water
6. scissors
Process - ( use verbs or doing words in each step )
Step 1
Cut the bottle in half with the scissors
Step 2
Put the funnel /top half upside down in the bottom container
STEP 3
Add layers of filter paper, sand and pebbles into the funnel/ top part of bottle
STEP 4
Get 1 cup of dirty water and ad it to the funnel /top of bottle make sure that the container / bottom of the bottle is on the bottom of the funnel.
STEP 5
Pour dirty water into the funnel .
Great work Evelyn. I like the clear headings and process. You have a point to your science badge.
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