Physical Science





Richard Feynman

Richard Feynman is a Nobel-winning scientist who worked with Oppenheimer and Einstein on the atomic bomb, was a professor at Cornell, and gave lectures on physics throughout the world. He also has a sense of humor and can write. This…
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Why does Ice Float

Water is a polar molecule. The force of attraction between positively charged hydrogen atoms on one water molecule and the negatively charged oxygen atom on another water molecule results in intermolecular forces. The intermolecular force is called a hydrogen bond….
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