[初賽第一階段] 估算（1） [Preliminary Phase 1] Estimation (1)

Big Concept: Estimation Topic: Dimensional Analysis and Fermi Estimation in Physical Systems Bloom's Taxonomy: Apply, Understand Learning Goal: Students will be able to: understand that estimation can be used to approximate physical quantities when exact information is unavailable; use dimensional analysis to identify relationships among variables; apply simple Fermi estimation using given reference values; identify relevant variables and ignore less significant factors; interpret estimated results in terms of order of magnitude and units; evaluate whether an estimate is reasonable based on known physical scales Key Learning Points: Estimation allows reasoning about physical systems without complete information. Dimensional analysis constrains the form of relationships between quantities, while Fermi estimation approximates values using simplified assumptions. Physical reasoning involves identifying key variables, simplifying systems, and interpreting results in terms of scale and plausibility. Note: This design focuses on guided estimation. Students learn to apply dimensional reasoning and simple Fermi estimation to approximate quantities and interpret results in terms of magnitude and plausibility.