Fact Book
14901. Scientific Instruments & Appliances
Scientific Instruments & Appliances
mariner's compass
is an apparatus for determining direction, graduated to indicate 33 directions. the "n" point on the dial indicates north pole and the "s" point, south pole.
14921. Scientific Instruments & Appliances
Scientific Instruments & Appliances
spring balance
is used to measure the mass of a body. it is preferred only when quick but approximate determinations are to be carried out.
14924. Scientific Instruments & Appliances
Scientific Instruments & Appliances
stroboscope
is an instrument used for viewing the objects moving rapidly with a periodic motion and to see them as if they were at rest.
14931. Scientific Instruments & Appliances
Scientific Instruments & Appliances
thermoscope
is used for measuring the temperature change (approximately) of the substances by nothing the corresponding change in volume.
14933. Scientific Instruments & Appliances
Scientific Instruments & Appliances
transistor
is a small device which may be used to amplify currents and perform other functions usually performed by a thermionic value.
14934. Scientific Instruments & Appliances
Scientific Instruments & Appliances
vernier
is an adjustable scale with marking of 10 sub-divisions of one-tenth of an inch or any other suitable marking for measuring small sub-divisions of scale.
14935. Scientific Instruments & Appliances
Scientific Instruments & Appliances
viscometer
is an instrument for measuring the viscosity, i.e. the property of resistance of a fluid to relative motion within itself.
14937. Sea
Sea : south china sea
area : 2,974,600 sq. km
avg. depth : 1,200.00 mts.
14938. Sea
Sea : caribbean sea
area : 2,753,000 sq. km
avg. depth : 2,400.00 mts.
14939. Sea
Sea : mediterranean sea
area : 2,503,000 sq. km
avg. depth : 1,485.00 mts.
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Fact
Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.
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