Curated OER
Water and Land 207
Students examine maps of different projections, mathematically calculate distortions, and note the advantages and disadvantages of each map. They study the different maps and transfer the map to graph paper.
Curated OER
Oceans
First graders recognize that nearly three quarters of the Earth is covered by ocean. They locate the Pacific, Atlantic, Indian, Arctic and Antarctic oceans on a map. They describe the difference between ocean water and fresh water.