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Lesson: The Math of Sailboat Design

SailboatStudents learn about sailboat design and how the shape of sails affects their movement. They apply what they learn about sailboat design to their math lesson, which involves the basic postulate of right triangle trigonometry and the Pythagorean Theorem. The lesson provides a fun, hands-on way to demonstrate that the Pythagorean Theorem can be tested and proved.

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Activity: Build a Model Submarine

SubmarineStudents in grades 5-8 learn the basic principle of buoyancy and how submarines use it to dive and ascend in water through creating their own submarine out of a soda bottle, pennies, and other household items. Activity courtesy of the National Museum of the U.S. Navy.

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Lesson: Ballast Systems in Submarines

Submarine With Water and Air Gushing from Ballast TanksThis lesson helps students understand how a submarine controls its buoyancy through the use of ballasts. Students construct a model ballast system, and then learn to control its vent valves to make it submerge and surface.

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