In "Emily's Science Lab: How to Make a Compass," hosted by MIT engineer Emily Calandrelli, viewers learn how to create a DIY compass using everyday items. Emily explains the concept of ferromagnetism, demonstrating how to magnetize a sewing needle for use as a compass. Key scientific terms include magnetic fields, alignment of electrons, and Earth's magnetic poles. This educational video supports an understanding of electricity and magnetism concepts, making it relevant to school curricula focused on physical science and scientific experimentation. Emily references her best-selling book series, "Stay Curious and Keep Exploring," which features additional science experiments. The video encourages curiosity and exploration while integrating scientific practices and critical thinking. Part of "Emily's Science Lab" series.