General Knowledge
- Anemometer for Speed-direction of wind.
- Barometer for Atmospheric pressure.
- Hydrometer for specific gravity of liquid.
- Hygrometer for Relative humidity of atmosphere.
- 1 Manometer = 10-9 meter
- 1 meter = 100 centimeter
- 1 cm = 10 mm
- Periscope Color of light emitted.
- Pyrometer high temperature
- Seismograph for detecting and measuring the intensity and direction and duration of movements of the earthquake.
- Roentgen discovered X-ray
- Bacquerel discovered radioactivity
- Biosensor measure Blood glucose level.
- RBG are primary colors
- Digestion of food in small intestine
- Rectifier convert alternative current into direct current.
- Battery convert chemical energy into electrical energy.
- Mitochondria Power house of cell.
- Unit Weber to measure magnetic flux.
- Cardiograph measure movements of the heart.
- 75% water covers earth's surface
- Volta invented Battery.
- Process of Science Observation > Hypothesis > Experiments.
- Bronze is an alloy of Copper, Tin
- James Chadwick discovered Neutrons
- Rutherford discovered Nucleus
- J. J Thomson discovered Electrons
- FW Auston invented Mass spectrograph.
- Stratosphere in it Ozone layer.
- Mesosphere The atmospheric layer between the stratosphere and the thermosphere.
- Stratosphere The atmospheric layer between the troposphere and the mesosphere.
- Troposphere The lowest atmospheric layer; from 4 to 11 miles high (depending on latitude).
- Thermosphere The atmospheric layer between the mesosphere and the exosphere.
- Fulminology The science of lighting.
- Hygrometer measure humidity
- Manometer measure gas pressure.
- Radio waves has the longest wavelength.
- Calcium carbonate chemical name chalk.
- Ammeter measure electric current.
- Loud speaker changes electrical energy into sound energy.
- Echo The reflection of sound
- Faraday discovered electromagnetic induction
- Paleontology study of fossils
- Homo sapiens scientific name of human
- Pasteur developed Vaccine for rabies.
- The normal pH of Human blood 7.4
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