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Where to find fossils
In some localities fossils may be found in stone quarries or where there are rock out- crops. Try to search someone in the community who knows about fossils and then plan a field trip with the class to collect some of them.
Fossils can often be established by breaking lumps of soft or bituminous coal apart. Break the lumps carefully and study the broken surfaces for imprints of leaves and ferns
Agriculture on a large scale: Crops had to be planted and harvested in the right season. Floods were a recurrent phenomenon in the river valleys, for which it was essent
Another aneroid barometer Stretch a piece of thin rubber in excess of the mouth of a small glass jar. Wind thread or string over the rubber to secure it and then put a ring of
A siphon fountain Fit a glass jar (a flask from a used electric bulb) with hole rubber stopper. By one hole place a jet tube which will extend about half way to the top of the
A field trip to study erosion Find some place in the locality where running water has complete damage by cutting gulleys. Take the class to study the erosion. Why was it caused
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50ml of a .432 M solution of a blue dye solution was pipette into a 200mL volumetric flask and DI water was added to the mark and th flask was thoroughly shaken. Then 10mL of THAT
why does the periodic table useful to scientist
Define the Nature of Sound This section is a recapitulation of what you have learnt in school. You would recall that sound waves consist of the longitudinal waves of alternate
Why is there more exchangeable calcium than potassium on clay/humus colloid? Calcium is usually abundant except in acid soils which occur in humid area due to excessive leaching.
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