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Resources: 1 – 24 Total: 24
Student activity   [Student activity]
Chemical composition of sea water
Play
     Whiteboard exercise   [Whiteboard exercise]
Chemical composition of sea water
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Animation   [Animation]
Gases in sea water
Play
     Animation   [Animation]
How do tiny marine plants influence the climate on the Earth?
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Student activity   [Student activity]
How were the oceans formed?
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     Animation   [Animation]
How were the oceans formed?
Play
    
   
 
Animation   [Animation]
How were the oceans formed?
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     Class activity   [Class activity]
Oceans
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Whiteboard presentation   [Whiteboard presentation]
Oceans
Play
     Animation   [Animation]
Oceans and valuable elements
Play
    
   
 
Student activity   [Student activity]
Phytoplankton
Play
     Whiteboard exercise   [Whiteboard exercise]
Phytoplankton
Play
    
   
 
Animation   [Animation]
Salinity balance
Play
     Animation   [Animation]
Salinity of sea water
Play
    
   
 
Animation   [Animation]
Sea water as a source of fresh water
Play
     Animation   [Animation]
The ions in the ocean
Play
    
   
 
Slideshow   [Slideshow]
The most important organisms that live in the oceans
Play
     Whiteboard exercise   [Whiteboard exercise]
The oceans at present
Play
    
   
 
Student activity   [Student activity]
The origin of salt in the ocean and the salinity balance
Play
     Whiteboard exercise   [Whiteboard exercise]
The origin of salt in the ocean and the salinity balance
Play
    
   
 
Animation   [Animation]
The origin of salt in the oceans
Play
     Student activity   [Student activity]
The riches hidden in the oceans
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Whiteboard exercise   [Whiteboard exercise]
The riches hidden in the oceans
Play
     Animation   [Animation]
Why does the Earth have such great resources of liquid water?
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Resources: 1 – 24 Total: 24

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