The exam evaluates biology, chemistry, and physics concepts, including nutrient functions, gas behavior, thermal conduction, and energy transformations. Topics explored are magnetism, planetary orbits, pollination, and reactivity of metals with acids. The periodic table is used to analyze group trends and atomic structure. Questions involve practical skills such as calculating forces, balancing moments, and observing chemical reactions. Environmental science topics include species extinction and comet visibility. Keywords: biology, chemistry, physics, nutrient function, atomic structure, reactivity series, magnetism, planetary science, STEM education, energy transformation, practical science skills.