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To study the relation between volume and pressure of air
Get a rubber bung or 'door stop' which just fits in a narrow glass jar or measuring cylinder. Attach it to the lower end of a wooden rod. Fit a tin lid to the upper end of the rod to act as a scale pan. Lubricate the pistons makes with a little vaseline or heavy engine oil. Use the piston to trap air in the jar; put dissimilar weights on the pan and calculate the volume of air in the glass cylinder for each weight. Note that the volume is in inverse proportion to the pressure.
Geometry and Astronomy: The need to portray an ideal world of perfect forms and proportions led to the development of geometry by Pythagoras (583-500 B.C.) and Hippocrates o
why we cannot see air
Conservation of mineral resources: Mineral reserves are present in a limited quantity and they can be exhausted. At the present rate of consumption many of them will not last
Determine the amount of Amino acids in Urine Normal urine contains only small amount of certain amino acids, for example, glycine and glutamine. Abnormal amounts and types of a
When, in the geologic column, did dinosaurs become extinct at the Cretaceous-Tertiary boundary
Blowing soap bubbles Soap films and bubbles serve very well for observations on surface tension. You can make a good soap bubble solution by placing three level tablespoonfuls o
Explain Sympathetic - Nerves System Sympathetic, as the word suggests, means to sympathize. The body sympathizes during fight, flight and fright reaction. For example, have you
Explain Myocardium Myocardium :- The middle layer of the heart wall.
data structures used by operating system for file management
Making a 'burp' bottle Fit a bottle or flask with a single-hole stopper which carries a funnel. Put the stopper firmly in the bottle and then pour water into the funnel. The bo
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