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Observing sun spots
Use the telescope that you made in a last experiment. Set it up so that it points directly at the sun and focus it so that a clear and bright image of the sun is formed on a piece of white cardboard placed a short distance from the eyepiece lens. If sun spots are there on the surface of the sun you may be able to observe them as small dark spaces of irregular outline on the image. Caution. Do not look at the sun by the telescope, unless your eyes are protected by a dark glass filter.
Mr. X was administered the Personality Assessment System (PAS), which is an individually-administered assessment of a person's personality structure and function. His total P score
elow chart of vertibrates
A simple mercury barometer Seal single end of a glass tube about 80 cm in length by rotating it in a gas flame. The tube should be held as almost vertical as possible. Join a s
Physico-chemical properties of vitamin E are as follows: a) Tocopherols are yellow, oily liquids. b) They are freely soluble in fat solvents. c) The compounds are
which state of matter does light travel the fastest through
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What is a hormone? A hormone, as you may already know, can be described as a chemical substance which having been formed in one particular organ or a gland is carried in the bl
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LASER stands for Light Amplification by Stimulated Emission of Radiation: It's a fairly long string of words. Well, don't let it stop you from reading further. What we wish t
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