In the Water Filtration Conservation Sprint, students become Wildlife Documentary environmental engineers as they design a layered filtration system that cleans visibly dirty water for their field crew and the animals they study. Set inside the Wildlife Documentary Crew narrative theme and connected to UN SDG 14 (Life Below Water), this 2-week unit challenges Grade 3 students to think strategically about filter layer order, test their design, observe output clarity, and make one evidence-based