This hands-on STEM activity helps students explore how science and faith work together to serve others. Using a simple water bottle, sand, charcoal, and gravel, learners design a working water filter while discovering how engineering can reflect God’s love in practical ways. Through this project, teachers, homeschoolers, and co-ops can show that STEM isn’t just about solving problems — it’s about impacting lives. Clean water is a universal need, and building a filter becomes a lesson in compassi