February 16, 2010
Lesson Plans
OBJECT: To study the basic optical properties of mirrors, prisms, and lenses by the use of an optical disk.
METHOD: A light source sends parallel rays of light to an optical disk. The paths of the rays are observed after they strike various optical devices, such as mirrors, prisms, and lenses, which are mounted on the [...]
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February 14, 2010
Lesson Plans
OBJECT: To study Archimedes’ Principle and to apply this principle to determine the density of solids and liquids.
METHOD: A body is weighed in air and then weighed when submerged in a liquid. The apparent loss of weight is, by Archimedes’ Principle, equal to the weight of the liquid displaced by the body. From these measurements, [...]
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