December 28, 2012
December 25, 2012
Scientific Instruments:-
1. |
Aerometer :
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Instrument for measuring weight and density of air and gases. |
2. |
Altimeter :
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Instrument used in aircraft to measure altitude. |
3. |
Ammeter :
|
Instrument used to measure electrical current flowing in a circuit. |
4. |
Anemometer :
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Instrument to measure the force and velocity of wind. |
5. |
Audiometer :
|
Instrument to measure intensity of sound. |
6. |
Barometer :
|
Instrument used to measure the atmospheric pressure. |
7. |
Calorimeter :
|
Instrument used for measuring quantities of heat. |
8. |
Cardiogram :
|
A medical instrument for tracing heart movements. |
9. |
Crescograph :
|
Instrument for use in recording growth of plants. |
10. |
Dynamo :
|
Instrument for transforming mechanical energy into electrical energy. |
11. |
Fathometer :
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Instrument used for measuring depth of the ocean. |
12. |
Geiger Counter :
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Instrument for recording the amount of radiation emitted by a source of radio-activity. |
13. |
Hydrometer :
|
Instrument used for measuring the specific gravity of liquids |
14. |
Hydrophone :
|
Instrument used for recording sound under water |
15. |
Hygrometer :
|
Instrument for measuring the amount of water vapours (humidity) in the atmosphere. |
16. |
Kymograph :
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Instrument used to record graphically various physiological movements i.e.,blood pressure,heart beating, study of lungs etc. in living beings. |
17. |
Lactometer :
|
Aparatus used for measuring the purity of milk. |
18. |
Manometer :
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Apparatus used for determining the pressure of a gas. |
19. |
Odometer :
|
Instrument by which the distance covered by wheeled vehicles is recorded. |
20. |
Oscillograph :
|
Instrument for recording electrical or mechanical vibrations. |
21. |
Photometer :
|
Apparatus used to compare the illuminating power of two sources of light. |
22. |
Pyrometer :
|
Instrument for recording high temperatures froma great distance. |
23. |
Radiometer :
|
Instrument for measuring the emission of radiant energy. |
24. |
Rain gauge :
|
Apparatus for recording of rainfall at a particular piece. |
25. |
Refractometer :
|
Instrument to measure refractive indices. |
26. |
Saccharimeter :
|
Instrument for determining the amount of sugar in a solution. |
27. |
Sextant :
|
An optical instrument used for finding out the altitude of celestial bodies and their angular distances. |
28. |
Sphygmomanometer:
|
Instrument used for measuring arterial bolld- pressure. |
29. |
Spherometer :
|
Instrument for measuring curvature of surfaces. |
30. |
Seismograph :
|
Instrument used for recording earthquake shocks. |
31. |
Tachometer :
|
Instrument for determining speeds of aeroplanes and motor boats. |
32. |
Thermostat :
|
Instrument used to regulate the temperature to a particular degree. |
33. |
Transformer :
|
An electrical apparatus used to convert high voltage to low and vice versa |
"Some Amazing Facts"
1. Istanbul, Turkey is the only city in the world located on two continents.
2. One out of 20 people have an extra rib.
3. In 1873, Colgate made a toothpaste that was available in a jar.
4. The longest distance a deep water lobster has been recorded to travel is 225 miles.
5. There are six million parts in the Boeing 747-400.
6. The typical lead pencil can draw a line that is thirty five miles long.
7. Smokers are twice as likely to develop lower back pain than non-smokers.
8. Most lipstick contains fish scales.
9. No piece of paper can be folded in half more than 7 times.
10. Asthma affects one in fifteen children under the age of eighteen.
11. A one ounce milk chocolate bar has 6 mg of caffeine.
12. China has more English speakers than the United States.
13. The shortest war in history was between Zanzibar an England in 1896. Zanzibar surrendered after 38 minutes.
14. The nickname for a Japanese businessmen is "Salarymen."
15. Venus is the only planet that rotates clockwise.
16. Toronto was the first city in the world with a computerized traffic signal system.
17. The letter J does not appear anywhere on the periodic table of the elements.
18. Pepsi got its name from the ingredient pepsin, which is said to aid in digestion, however, it is not known.
19. The average life span of a single red blood cell is 120 days.
20. The watch was invented by Peter Henlein of Nuremberg in 1510.
21. The first subway system in America was built in Boston, Massachusetts in 1897.
22. An average person laughs about 15 times a day.
23. Apples are part of the rose family.
24. The word Spain means "the land of rabbits."
25. The word tulip comes from the Turkish word for turban.
November 25, 2012
October 30, 2012
"TECHNICAL QUIZ"
1. Solar power generates electricity from what source? The Sun
| |
2. Did the Apple iPhone first become available in 2005, 2006 or 2007? 2007
| |
3. In terms of computing, what does CPU stand for? Central Processing Unit
| |
4. True or false? Nintendo was founded after the year 1900. False - 1889
| |
5. The Hubble Space Telescope is named after which American astronomer? Edwin Hubble
| |
6. Is the wavelength of infrared light too long or short to be seen by humans? Long
| |
7. Firefox, Opera, Chrome, Safari and Explorer are types of what? Web browsers
| |
8. True or false? Gold is not a good conductor of electricity? False
| |
9. The technologically advanced humanoid robot ASIMO is made by which car company? Honda
| |
10. True or false? Atomic bombs work by atomic fission. True
| |
11. In terms of computing, what does ROM stand for? Read Only Memory
| |
12. Did the original Sony Playstation use CDs or cartridges to play games? CDs
| |
13. What is the Earth’s primary source of energy? The Sun
| |
14. IBM is a well known computer and information technology company, what does IBM stand for? International Business Machines
| |
15. Along with whom did Bill Gates found Microsoft?
| |
16. What science fiction writer wrote the three laws of robotics? Isaac Asimov
| |
17. True or false? In computing, keyboards are used as input devices. True
| |
18. What does the abbreviation WWW stand for? World Wide Web
| |
19. Nano, Shuffle, Classic and Touch are variations of what? The Apple iPod
| |
20. True or false? DNA is an abbreviation for ‘Deoxyribonucleic acid’. True
|
October 02, 2012
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