ACTIVITIES

Oil and Water Don't Mix
The oil dumped by tankers on the high seas or the million of gallons spilled after an accident will remain afloat. Oil does not mix with the water because it is not as dense; it is lighter and will afloat on water. You can produce a similar effect with this experiment.

Materials

A measuring cup
A glass of cold water
bottle of oil
Methods http://www.kidsgen.com/school_projec...tic-bottle.jpgStep 1.
Carefully cut off the neck of the plastic bottle.

Water Purification
You can construct a water purification plant in your own house. It will help you to understand haw water can regain its natural properties. To carry out this experiment, you first have to dirty the water you are going to purify. Mix it together with some milk, oil, sand, and so on

Materials

• Sand
  
  
• Coal
  
  
• Cotton Wool
  
  
• Bleach
  
  
• Plastic Bottle

Methods:
http://www.kidsgen.com/school_projec...bottle-cup.jpg


Step 1.
Pour some oil into the measuring cup. Cooking oil will do.