 
										
In this unit, students focus on Earth’s interacting systems, evaluating how the hydrosphere and geosphere are shaped by one another. In this lesson, they analyze how people use dams to harness the energy in water, and how dams impact the environment. This page highlights each element of this lesson.
 
										
In this lesson, students evaluate the science phenomena of how organisms are affected when the environment changes. Students carry out an experiment to analyze two possible solutions that could be used to help a population of harpy eagles recover from the impacts of deforestation over time. This is a high-level extract of this lesson.
Standards citation: NGSS Lead States. 2013. Next Generation Science Standards: For States, By States. Washington, DC: The National Academies Press. Neither WestEd nor the lead states and partners that developed the Next Generation Science Standards were involved in the production of this product, and do not endorse it.