Surface Volume Lab

StudentChoose a mission, make a prediction, test the model, then explain the evidence.

TeacherLook for misconception tags, evidence-step completion, and transfer-readiness signals.

Missions

Invariant witness

dimensions—

volume—

surface—

hidden—

Volume counts the unit cubes filling the solid, hidden ones included; surface counts the unit faces on the skin.

0 events

Cubes, faces, and two counts

A cuboid is built from unit cubes layer by layer. Volume counts every cube, hidden ones included. Surface counts every face on the skin. Two different counts of one object -- and they do not always move together.

Choose a mission to open its prediction gate.

PredictTestExplainReviseDefendTransfer0/4 evidence steps