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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.
To measure the volume of air in the longs Invert a bottle full of water so that its neck is in the surface of water in ajar. Introduce a glass or rubber tube into the neck and
VERIFICATION OF STOCK ITEMS : Now you know that a stock register is the key for the verification of all the items purchased from time to time. Let us now perform the second activi
Eight students conducted a controlled experiment to demonstrate how walking and running affected their heart rates. Use the data below to answer the following questions. Effects of
Explain the Bile pigments and salts in urine The bile pigment, bilirubin (a pigment formed from the destruction of red blood cells), is altered in the intestine to urobilinogen
Define the term Amplitude In simpler terms, amplitude is the amount or relative value of a signal. Amplitude is measured in units of pressure e.g. Newtons/sq. m. But what is ph
which is the heaviest matter in the world
For moderately volatile liquid wastes : Spillage of moderately volatile liquids could be absorbed on sand, shovelled into bucket(s) and transported to a safe open area for evapora
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Enumerate the role of Soil algae on soil flora Soil algae are microscopic, chlorophyll containing organisms, being the simplest chlorophyllous plants. These are phototrophic ae
Peripheral nervous system (pns): Except for the brain and the spinal cord, the rest of the network of nerves and neurons is included in tha peripheral nervous system, or
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