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Moving water by reducing air pressure
Secure two small bottles. Fill single about half full of water and close it with a single-hole stopper carrying a length of glass tube that reaches nearly to the bottom of the bottle. Attach a short length of rubber tube which empties into the other bottle. Place these in the receiver jar and remove some of the air with the pump. What happens? How do you account for this ? If you wish, you may tint the water with ink.
What is the fossilized resin of ancient trees which forms by the natural polymerization of sap: Amber is the fossilized resin of ancient trees which forms by the natural poly
Ship-building: The shipbuilding industry in the seventeenth century. witnessed far-reaching changes that mainly resulted from imitating European techniques. The Indian sea-g
Explain the Colour Blindness Normal individuals possess three cone pigments viz. red, green and blue which are referred to as tri-chromates. Colour blindness refers to the part
How soap helps water in cleaning Prepare two greasy cloths by smearing kitchen fat or vaseline on cloths. Wash one sample in warm water without soap. Wash the other sample in w
what are the condition necessary for heat transfer to occur?
To show how water rises by capillarity Colour some water in a shallow dish with ink and touch a blotter to the water surface. Observe how the water increases in the blotter.
Explain Rhythmicity - Properties of a Beating Heart Not only does the denervated heart continues to beat, it does so remarkably rhythmically. What it means is that the heartbea
Temperature affects the _____ of sound waves !?
what is ecology
QUESTION The school of behaviourism emerged in the 1910s, led by John B. Watson. Unlike psychodynamic theorists, behaviourists study only observable behaviour. Their explanatio
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