Students design and conduct an experiment to determine the effect of salinity and temperature changes in the movement of ocean currents. In this earth science lesson, students record observations and collect data. They share their...

Students investigate the ocean environment. In this ocean lesson, students discover the physical properties of the ocean. Over two days, students work in small groups investigating ocean maps and creating water currents.

Students research about the importance of sea ice to world climate and sea organisms. In this earth science lesson plan, students create a model of present and future Arctic sea ice communities. They discuss how ice melting affects...

Students examine how food webs illustrate the ways in which organisms depend on each other for energy and nutrients, and make food webs showing the feeding relationships among organisms encountered in the Gal??pagos coastal waters.

Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...

Students test tap water for hardness and mineral content. In this environmental science lesson plan, students identify the different stages of the water cycle. They classify plant and animals according to the rules of taxonomy.