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Method&Materials

 Animation

 Objects that use water resistance: Fins, propellers, fish, and swimmers

http://www.scubatoys.com/main.html

http://www.oakhill.pair.com/lensprop/

 Objects that use hydrodynamics: Spears (in fishing), boats, swimmers

http://www.scubatoys.com/main.html

http://www.lakechamplaincharters.com/

 

 Comparing surface area to the speed of the train

Square with no holes:

Frontal surface area =LW :Time

Surface Area =5.5 inches x 5.5 inches:14.83 seconds

Surface Area =30.25 inches squared:14.83 seconds

 

Square with holes:

Frontal surface area=LW:Time

Surface Area=5.5 inches x 5.5 inches - 5.5 x 2: 12 seconds

Surface Area=30.25inches - 11inches: 12 seconds

Surface Area=19.25 inches squared: 12 seconds

 

Hydrodynamic V-shaped object:

Frontal surface area= LW:Time

Surface area=2inches x (11/16):10.43 seconds

Surface area=1.375 inches squared: 10.43 seconds