Homemade Filter (Science)

Aim: To make a filtration plant using household materials.

Water Filtration Plant

What is filtration?

Filtration is separating solids from liquids by adding a medium through which only the liquid can pass. 

Examples are:

1.  Water Filter
2. Coffee Plunger 
3.  Jug 
4.  Tea Bag

Materials

1. Plastic Bottle

2. Sand

3. Filter Paper

4. Stones / Pepples

5. Scissors

6. 

7.

8.

Step 1

Cut the bottle into half using scissors 

Step 2

Put the top half upside down on the top of the bottom half

STEP 3

Add layers of Sand, Stones and filter paper in this order, Filter paper, sand, stones

STEP 4

Get 1 cup of dirty water and tip it on the stones, sand and filter paper

STEP 5

Watch the water change to a clearer color!

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'.

Warning

Make sure that an adult cuts the bottle in half. This water filter is just an experiment and should not be used for drinking water.

Avoid using charcoal briquets, as these can contain chemicals you don't want in your water. Use the activated carbon for water purifiers instead.