Clear, accurate answers show strong foundational understanding for a beginner. You correctly explained that different objects produce different sounds because of vibration frequencies and that ratios describe relationships; you identified 2:1 as an octave and named Pythagoras and the monochord. That precision is commendable, but do not be satisfied. Deepen reasoning: demonstrate how changing string length alters frequency and produce simple calculations for 3:2 and 4:3 ratios. Practice using the monochord model and record observations. Next steps: connect ratios to musical intervals, graph frequency pairs, and explain why simple ratios produce consonance. Aim for rigorous explanation and evidence. Act now.