How Things Fly: Lessons: Bernoulli Brain Teasers - 0 views
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valerie taylor on 02 Nov 10How Things Fly: Lessons: Bernoulli Brain Teasers - early 1700s Swiss mathematician Daniel Bernoulli ... air must go somewhere - so it squeezes between the wings and the surrounding air. --4-9+@ - Grades 4-9, pictures, activities