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Air expands when heated
To show that air expands when heated, fit an electric light bulb flask or a bottle with a single- whole stopper or cork which has a 30-cm length of glass tubing or a soda straw by it. Place the end of the tube in a small bottle of water. Heat the flask and view what happens. Heat the flask until a considerable amount of air has been separated and then cool the flask by pouring cold water over it or by rubbing with a piece of ice.
How is energy from food and energy from gasoline different?
What is ethics
The rain cycle You can reproduce the rain cycle in miniature in your classroom. Place a box of plant seedlings on the table. Place a metal tray about 35 to 40 cm above the box
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Ask quesExplain that your intention is to investigate a variety of combinations of pipe material, insulation material and size which you could potentially consider when deciding on
Precautions : The following must always be observed while dealing with lasers. 1) Never look along a laser beam or expose any part of your skin to it. Beware of reflected laser
Explain the Role of cholecystokinin Pancreozymin (CCK-PZ): The presence of food in the upper small intestine also causes another hormone, CCK-PZ to be released. It is a polypep
Describe about the Moles Molehills, frequently observed in some fields are composed of subsoil deposited by moles. They need a good reserve of calcium in soil.
Solar Wind and Solar Flare Most of the Sun's family is continually bathed in an outflow of material from the Sun's atmosphere. Streams of electrons and protons continuously
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