Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which everyday chemical reaction is responsible for rusting of iron objects?
Which scale is used to estimate wind speed based on observed sea or land conditions without instruments?
Which scale is commonly used to measure the intensity of hurricanes and tropical cyclones?
Which natural disaster is measured using the Richter scale?
Which water purification process removes dissolved salts and impurities by forcing water through a semi-permeable membrane?
Which household water purification method uses ultraviolet light to kill bacteria and viruses?
Which preservation technique uses controlled heating to kill harmful microorganisms in liquids like milk?
Which common food preservation method works by removing moisture to inhibit bacterial growth?
Which gas makes up approximately 21 percent of Earth's atmosphere and is essential for respiration?
Which instrument is used to detect and measure the magnitude of earthquakes?
Which instrument is used to measure wind speed?
Which instrument is used to measure humidity levels in the atmosphere?
Which device measures atmospheric pressure and is commonly used for weather forecasting?
Which type of wave does light represent in terms of its propagation?
Which everyday process best illustrates the conversion of chemical energy into mechanical energy?
Which common kitchen substance is used as a natural antacid due to its alkaline properties?
Which type of lens is used to correct hyperopia or farsightedness?
Which type of lens is used to correct myopia or nearsightedness?
Which everyday device uses the principle of capillary action to function?
Which gas law states that the volume of a gas is directly proportional to its temperature at constant pressure?