The document describes morning assembly activities conducted by primary school classes, including maths and science activities. For maths, students used geometrical instruments, made fractional numbers with origami and craft, and discussed properties of 2D and 3D shapes. Science activities included comparing states of matter, demonstrating gravity and buoyancy, replacing salt with sugar solutions, creating an improvised planetarium, exploring density, and comparing transparent, translucent and opaque objects. Students also learned about inhalation and exhalation, did a chemical volcano experiment, and used a scoreboard for a quiz.