Curated OER
Mapping the Ocean Floor
Students construct and interpret a line graph of ocean floor depth and a bar graph comparing the height/depth of several well-known natural and man-made objects and places. In addition, they calculate the depth of two points using sonar...
University of Oregon
University of Oregon: Hipparchus's Life and Work
This site from the University of Oregon provides an overview of Hipparchus's life and his major accomplishments. A good starting point.
Other popular searches
- Abyssopelagic Zone
- Abyssal Plain
- Sea Abyss
- Abyss Fish
- Ocean Abyss
- The Abyss
- Marine Science Abyss
- Creatures of the Abyss
- Ocean Abyss Habitat