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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 of soap powder or soap flakes into four cups of hot water. Let the solution stand for three days previous to using. Try blowing bubbles with a bubble blower, a soda straw, a clay pipe and an old tin horn about 4 cm in diameter.
The characteristic properties of an aquifer can be used to calculate groundwater velocities, v groundwater (L/T), according to: V groundwater = K H / η (dh/dl) where KH (L/
Explain the Cabinet Respiration Such an apparatus is used when the respiratory muscles are paralyzed by an injury or an infection. A cabinet respirator consists of a box in wh
what is Anemia?
Define the Factors That Are Affecting Colour Perception The two most important factors which influence colour perception include: Temperature, and Humidity How do these factors
Measuring atmospheric pressure with a rubber sucker The force needed to pull the sucker away from a smooth surface can be found by using a spring balance. The area on which the
State about the Oxidised forms of elements Oxidised forms of elements are more desirable for most common crops grown in acid soils and humid regions while the reduced forms of
Explain the Process of Secretion In the process of filtration through the glomerulus, the non-threshold substances and drugs are not cleared from the blood because the blood do
When, in the geological time scale, did dinosaurs first appear: Triassic
Q.How does the atmosphere act as a blanket? The atmosphere acts as a blanket by performing the following functions: (a) It keeps the average temperature of the Earth fairly c
how long do people live
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