In "Emily's Science Lab: Make A Huge Crystal," Emily Calandrelli, an MIT engineer, guides viewers through the process of creating a large crystal using alum, also known as potassium aluminum sulfate. The video covers scientific concepts such as saturated solutions and crystal growth. Emily emphasizes the importance of purified water and provides step-by-step instructions for growing an impressive alum crystal. This educational experiment aligns with science curricula topics like physics and chemistry, fostering interest in scientific inquiry through hands-on learning. As part of her "Stay Curious and Keep Exploring" series, Emily integrates concepts of problem-solving and critical thinking. Part of the "Emily's Science Lab" series.