A student arranges a flexible track on the laboratory bench. The student studies the motion of a metal ball as it moves from rest down the track. The metal ball travels down the track, climbs the other side, and briefly stops at a height h above the bench before rolling back down again. Plan an experiment to investigate how one variable influences the size of this height h. The apparatus available includes: flexible track; two clamps, bosses and stands to support the track; selection of metal balls. Fig. 4.1 shows the method used to support the flexible track.
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Plan an experiment to investigate how one variable affects the size of the height h above the bench reached by the metal ball. In your plan: identify the single variable you will investigate; list any extra apparatus required; describe how to carry out the experiment; state the main variables to keep constant; draw a table, with column headings, to show how the readings will be recorded (you do not need to fill in any readings); explain how the readings will be used to reach a conclusion.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “MP1: a valid variable that could influence h is named” …