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  2. BSCS Science Learning - Wikipedia

    en.wikipedia.org/wiki/BSCS_Science_Learning

    In the summer of 1960, the BSCS convened an intensive summer writing conference in Boulder, at which three new high school biology textbooks were developed. The three versions were: Blue, a molecular biology approach; Green, an ecology approach; and Yellow, a cellular biology approach. These three versions, and their corresponding newly ...

  3. Lift-induced drag - Wikipedia

    en.wikipedia.org/wiki/Lift-induced_drag

    Lift-induced drag, induced drag, vortex drag, or sometimes drag due to lift, in aerodynamics, is an aerodynamic drag force that occurs whenever a moving object redirects the airflow coming at it. This drag force occurs in airplanes due to wings or a lifting body redirecting air to cause lift and also in cars with airfoil wings that redirect air ...

  4. Flying and gliding animals - Wikipedia

    en.wikipedia.org/wiki/Flying_and_gliding_animals

    Certain silk-producing arthropods, mostly small or young spiders, secrete a special light-weight gossamer silk for ballooning, sometimes traveling great distances at high altitude. Soaring : gliding in rising or otherwise moving air that requires specific physiological and morphological adaptations that can sustain the animal aloft without ...

  5. Science education - Wikipedia

    en.wikipedia.org/wiki/Science_education

    Physics First, a program endorsed by the American Association of Physics Teachers, is a curriculum in which 9th grade students take an introductory physics course. The purpose is to enrich students' understanding of physics, and allow for more detail to be taught in subsequent high school biology and chemistry classes.

  6. Aerodynamics - Wikipedia

    en.wikipedia.org/wiki/Aerodynamics

    Aerodynamics is also important in the prediction of forces and moments acting on sailing vessels. It is used in the design of mechanical components such as hard drive heads. Structural engineers resort to aerodynamics, and particularly aeroelasticity, when calculating wind loads in the design of large buildings, bridges, and wind turbines.

  7. Ground-effect vehicle - Wikipedia

    en.wikipedia.org/wiki/Ground-effect_vehicle

    Ekranoplan A-90 Orlyonok. A ground-effect vehicle (GEV), also called a wing-in-ground-effect (WIGE or WIG), ground-effect craft/machine (GEM), wingship, flarecraft, surface effect vehicle or ekranoplan (Russian: экранопла́н – "screenglider"), is a vehicle that is able to move over the surface by gaining support from the reactions of the air against the surface of the earth or water.

  8. Meet the high school biology teacher playing in the U.S. Open

    www.aol.com/sports/meet-high-school-biology...

    He was skilled enough that he had plans to go the entire Q-School/mini-tour route. But that’s a serious grind, particularly for a young family, and Prater realized his destiny lay in a different ...

  9. External ballistics - Wikipedia

    en.wikipedia.org/wiki/External_ballistics

    For small arms, the magnitude of the Coriolis effect is generally insignificant (for high powered rifles in the order of about 10 cm (3.9 in) at 1,000 m (1,094 yd)), but for ballistic projectiles with long flight times, such as extreme long-range rifle projectiles, artillery, and rockets like intercontinental ballistic missiles, it is a ...

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