Help students create scientific hypotheses and record jaw-dropping results with these interactive activities designed to develop their critical thinking and conceptual knowledge. Standards-Based Investigations: Science Labs provides high-interest content suitable for students in grades 3–5 with lab experiments using the inquiry process. Gaining scientific knowledge through writing and drawing in observation notebooks, students will record and analyze steps, processes, and results. This resource supports core concepts of STEM instruction and builds college and career readiness skills.