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Making a 'gusher' with compressed air
Secure a large narrow-necked bottle like as is used for soda water. Place a single-hole stopper in the bottle. By the stopper put a 10- cm length of glass tube which has been drawn to a jet on the outside end. With a short length of rubber tube join a length of glass tube that will extend nearly to the bottom of the bottle. Fill the bottle about half full of water. Insert the stopper firmly and hold it in with your fingers. Next blow hard into the bottle; and when you free the pressure, point the bottle away from you. What happens?
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 the Mixing Movement of the Gastrointestinal Tract This movement helps the intestinal contents to be thoroughly mixed at all times. It is usually caused by the local con
Why do organisms need water? Organisms need water for the following reasons: (i) All cellular processes need water as a medium. Usually, the reactions that take place in our
define carbohydrates.give a brief account on classification of carbohydrates.
atomic spices definition?
Define the Regulation of Aldosterone Secretion Increased potassium ion concentration and decreased sodium ion concentration increases the aldosterone secretion. Renin-angiotens
Procedure : Steps 1 to 3 and step 5 are demonstration steps and will be performed by your counsellor. Observe these steps carefully. 1. The cotton plugs/caps of the test tubes,
give examples for one energy transformed to another energy
INTRODUCTION : You have studied about the hazards of electricity in Unit 11 of Block 3. You have learnt that most of the electrical accidents like shock, fire, etc. occur often du
Composition of Bile - Liver and Bile Stored in the Gall Bladder There is a slight difference between the composition of bile produced by the liver and bile stored in the gall b
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