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Science » Physical Sciences » Physics

Matter

provides video lesson, video clips, and interactive resources for learning about air, atoms, atomic basis of the properties of matter, atomic nucleus, chemical change, chemical reactions and electrons, cosmology, periodic table, properties of matter, properties of objects and materials, sinking and floating, and solids, liquids, and gases. (Teachers' Domain, Multiple Agencies)

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Interesting Fact:

The Greek mathematician Archimedes first noted that any object immersed or partly immersed in a fluid (i.e., a liquid or a gas) is buoyed upward by a force equal to the weight of the fluid displaced by the object.
The pioneering work of American chemist Wallace Carothers on his path toward discovering nylon.

Synthetic fibers


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