LEARN MISSIONvariables, controls, uncertainty, and scientific argument

variables, controls, uncertainty, and scientific argument

WORKED MODEL: To test fertilizer effect, vary fertilizer mass, hold light/water/soil constant, and measure growth. CASE: Does salt concentration affect seed germination? Which design is strongest?

MODELFair-Test Protocol

HON SCI

PROVEChoose with evidence

CLUE

Follow the model, then explain why it transfers.