1. Properties of water

    - USGS website: Properties of Water

    - CK12 properties of water on line text: CK12 Properties of Water

    - properties of water power point: Properties of Water Power Point

 

2. This is a power point presentation of the information addressing erosion

    and the stages of a river. Stages of A River

 

3. "Surf's Up" from "The Enless Voyage" - The Endless Voyage - Surf's Up

    This provides a good description of surface waves.

 

4. Web-articles about ocean acidification:

     NOAA explanation of ocean acidification - NOAA website

     An upwelling crisis: Ocean acidification - upwelling-crisis-ocean-acidification