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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.
Food Web: Within an ecosystem, there are many different food chains. Some organisms may be involved in several of the food chains at the same time. So a number of food chains
what is light energy
Explain the Disorders of the Female Reproductive System Over the last decade, there has been a growing concern regarding the prevalence and extent of reproductive tract infecti
Why does marble rarely contain fossils? This is due to of the way that it is formed. When you have a rock that is formed bymetamorphosis then it has been created by heat and pres
When, in the geologic column, did dinosaurs become extinct at the Cretaceous-Tertiary boundary
Define Universal Donor and Recipients Based on the above mentioned concept, O group individuals are sometimes considered as 'universal donors ', since they have no antigens an
Crystal Structure of Clays Most clay minerals have two types of basic structural units - tetrahedral and octahedral. The tetrahedral unit is 4- 4 SiO in which silicon
How are fossils formed? Ans) Fossils are formed amongst periods of rock formation, and caused by the gradual accumulation of sediment above millions of years at the bottom, mos
I need help finishing my science fair project, can you help me?
Explain the Serum Creatinine Test Creatinine is a breakdown product of creatine, an important component of muscle. A serum creatinine test measures the amount of creatinine in
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