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This Unit for the 4th Grade Kit, Waves and Energy, weaves together the various FOSS
investigations in the context of an authentic and engaging storyline. Through an imaginary
correspondence with a 4th grader who lives in the village of Ghaghara, India, students use a series of investigations to build their skills and content knowledge in order to solve larger problems being
faced by their friend, Parvathi. Students engage in project-based learning while using science and
engineering practices to help solve everyday problems in the context of Parvathi’s life. Students
also use online research and evidence from investigations to construct claims based on evidence
which inform and drive their practice of engineering.