Courses
Why do stars twinkle? Is it possible to fall into a black hole? Will the sun ever stop shining? Since the first glimpse of the night sky, humans have been fascinated with the stars, planets, and universe that surrounds us. This course will introduce students to the study of astronomy,...
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Biology, Semester A, is a single-semester course designed to strengthen your knowledge of basic biology. The first unit provides an introduction to biology and biochemistry. It focuses on the roles of and differences between plant and animal cells. In the second unit, you?ll learn about the functions of different organ...
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Chemistry is the study of how a set of substances with particular physical properties?like solid paper and the oxygen in the air?can react with each other to form different substances with entirely different properties?like gaseous water and carbon dioxide. In most cases, these chemical changes result in an energy change...
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A citizen is a person who is legally recognized by a state and entitled to the state?s rights and privileges. Civics is the study of the rights and duties of such a person. One of the best ways to understand your rights and duties as a citizen is to study...
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