5th grade
5th graders have read a story, Saving Salila's Turtle. The story tells of a young girl walking along the Ganges River in India with her father. She is upset to see a small turtle struggling to swim in the polluted river. Salila would like to bring the turtle home and set up a clean tank for it. Her father suggests she think about building a filter so the water in the tank is from the river. Salila goes to work with her mother and learns from engineers how to plan out her filter design.
We have designed filters of our own. We must be able to collect 1/4 cup of clean water from a cup of soil/water mixture.
We have designed filters of our own. We must be able to collect 1/4 cup of clean water from a cup of soil/water mixture.