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This experiment aims to assess the effect of wearing a swim cap on swim time by reducing drag. The hypothesis is that a swim cap will influence swim time due to drag reduction. The independent variable is the presence of a swim cap, while the dependent variable is swim time in seconds.
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What A DRAG! By: Kathryne Vetter
Purpose To determine if a swim cap affects your time by reducing drag in swimming and if it affects by a small amount or no time at all. Hypothesis That a swim cap will affect your time in swimming because it will reduce drag maybe not a lot but.
Experimental Design Independent Variable: Swim Cap or No Swim Cap Dependent Variable: Time (seconds) Constants: Pressure in room, Type of Liquid, Length Of Pool, Type of swim cap, Type of Timer.
Procedure • Swimmer 1 will swim a 50 (2 laps) with wearing a swim cap • Start the timer when Swimmer 1 jumps of starting block and hits water • End Timer when Swimmer 1 touches wall were they started • Record Data In Notebook • Give Swimmer 1 10 minutes to recoup • Now Ask Swimmer 1 to swim another 50without wearing a swim cap • Start Timer when swimmer hits water • End timer when swimmer 1 touches wall they started at • Record Data • Repeat steps 1-9 with different swimmers
Diagram Time 45 sec Stopwatch Swim Cap Pool Swimmer
Data Table Swimmers Time (seconds)