Students create an awareness of the vast percentage of water covering the earth. They relate similarities/differences between topographical maps and other maps of various time periods. Students examine how to use a topographical map.

Students practice their math skills in determining the water/land proportions of the Earth. Using globes, they locate the seven continents and oceans and determine which covers more space. They use this information to participate in...

Students elicit data on the water cycle, ocean topography, and island formation in this six lesson unit. The ocean floor and the properties of water are examined through a variety of discussions and hands-on experiments.