The world ocean is the defining feature of planet earth and the most prominent feature on a world map.
Ocean Literacy Principles:
OLP 1: The earth has one big ocean with many features
OLP 7: The ocean is largely unexplored
Topic List:
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This introduction to the world ocean gives an overview of the concepts and activities explored in this unit and describes how these investigations build an understanding of ocean literacy.
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The world ocean is traditionally divided into four major ocean basins. Globes provide the only accurate representation of the earth, but two-dimensional maps are also useful tools.
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Different map projections distort the earth in different ways. Map choice depends on how and why the map will be used.
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Lines of latitude and longitude form a global grid system that is used to describe precise locations. Mapmakers manipulate the positions of latitude and longitude lines to serve various purposes and...