The exam assesses concepts in biology, chemistry, and physics, focusing on human senses, pollination, reversible and irreversible changes, and material properties. Topics include separating mixtures, plant growth, electrical circuits, and sound propagation. Practical skills involve designing fair tests, interpreting results, and experimental accuracy. Emphasis is placed on the role of the Sun in shadows, melting points, and the energy needs of plants. Keywords: science education, sensory organs, chemical changes, physics of light and sound, experimental design, STEM learning, Cambridge Primary Checkpoint, biological processes, material science, inquiry-based learning.