Целевая практика перед full tests, чтобы coverage было понятным.
Readings: 5.0, 5.2, 4.9 cm. Find the mean and half-range uncertainty.
Design a valid investigation for “Evaluation” with independent, dependent, and 4 controlled variables.
Structure a solution for “Uncertainty”: givens, SI units, law, substitution, and interpretation.
Identify three uncertainty sources in measuring “Scientific communication” and improve each one.
Plan a suitable graph for “Data booklet use” data and explain how to obtain a gradient or relationship.
Check whether a result for “Command terms” is sensible using units, order of magnitude, and a limiting case.
Connect “Conceptual explanations” to energy conservation or a force/field model and justify the choice.
Write a multi-step exam response about “Calculation questions” with calculation and evaluation.