School Project about conservation of the sea

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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 Step 1.
Carefully cut off the neck of the plastic bottle.

Step 2.
Place four layers of material in the neck of the bottle, in the following order: cotton, wool, coal, sand, and


Step 3.
Pour the polluted water little by little through your filter.

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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:



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

Step 2.
Then add similar amount of water.



Step 3.
The oil is less dense than the water, so it will floats on top.



Step 4.
If you add a few drops of bleach, this will ensure that the water contains no harmful microorganisms. Bleach is poisonous and should not be swallowed.
Ask an adult to help you.

[وفاء بنت غزة]

انا قرأت اول ادراج مشان اكون صادقة
عن البحر وكتير سعيدة اني عم اقرأ بالغة الانجليزية
وعم اختبر ذاكرتي الموضوع مفيد وحلو والطرح جميل
الحقيقة جهود رائعة اخي صائد
يعطيك العافية

[صائد الأفكار]

الله يعافيك اختي وفاء
سعيد انك استفدت واسترجعت اللغة
تحية لك

[وردة المسااااء]

مميز يا صائد الأفكار
يعطيك العافية

[أرابيلا]

يسلمووووووووووووو

[حيفا]

thaaaaanks

[صائد الأفكار]

thanks for passting my topic
welcome and my greetings for you all

saed