9781422274828

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WORDS TO UNDERSTAND Words To Understand: These words with their easy-to-understand definitions will inc the reader’s understanding of the text while building vocabulary skills. Sidebars: This boxed material within the main text allows readers to build knowledge gain insights, explore possibilities, and broaden their perspectives by weaving togeth additional information to provide realistic and holistic perspectives. Educational Videos: Readers can view videos by scanning our QR codes, providing t with additional educational content to supplement the text. Examples include news coverage, moments in history, speeches, iconic sports moments, and much more! aerodynamics: the branch of mechanics that deals with the motion of air and other gases and with the effects of such motion on objects center of gravity: the point through which the resultant of gravitational forces on a body passes and from which the resultant force of attraction of the body on other bodies emanates; coincident with the center of mass in a uniform gravitational field Text-Dependent Questions: These questions send the reader back to the text for mo careful attention to the evidence presented there. centripetal force: the force that is necessary to keep an object moving in a curved path and that is directed inward toward the center of rotation

Research Projects: Readers are pointed toward areas of further inquiry connected to chapter. Suggestions are provided for projects that encourage deeper research and a

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