Archimedes, a Greek mathematician, astronomer, philosopher, physicist and engineer, spelled out the law of equilibrium of fluids, and proved that water around a center of gravity will adopt a spherical form. Try one of the following ideas embedded into lessons, or sprinkled in between lessons. * Culture Swap * First identify at least one ethnicity for each student. * Have each student research one agricultural practice of their ethnic origin practiced 200 years ago (or sooner). * Students can create posters or present a two minute report on their practice. * Taste of???? * Ask students to bring samples of sweets or foods unique to their cultural origins - sometimes this is just their favorite food from home. * Divide your class into teams of 5 and have each team bring cultural snacks on Fridays until everyone has had opportunity to participate. * Remember to be sensitive to economic situations, perhaps there could be a support fund for this activity.