The many aspects to consider in Marine Fisheries are covered in this very detailed PowerPoint.  There are a large number of slides dealing with both the conditions to consider and terms regarding fisheries. It also covers the laws,...

Almost 200 slides make this a vast collection! It is a quirky collection, titled "Marine Fisheries Management," but having little to do with that occupation. What you will find are two-toned blue backgrounds with no pictures, but a few...

Here is a fascinating topic: the upwelling of ocean waters. Oceanography pupils learn what mechanisms cause upwelling, types of upwelling, and the effects on marine life. Colorful satellite imagery and informative diagrams bring this...

A large variety of topics are given in this PowerPoint about water. Some come from a scientific point of view, some regarding recreation, some for domestic use, and others from hydroelectricity.  A teacher could choose to use this...