Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which common everyday substance is classified as a strong acid frequently used in car batteries?
Which simple machine uses a grooved wheel and rope to lift heavy objects with reduced effort?
Which type of mirror is commonly used in vehicle side mirrors to provide a wider field of view?
Which property of sound determines how high or low it is perceived by the human ear?
Which renewable energy source harnesses heat stored inside the Earth to generate electricity?
Which microorganism is primarily responsible for fermenting sugars into alcohol in brewing and winemaking?
Which common food preservation method works by removing moisture to inhibit bacterial growth?
Which everyday process involves the removal of dissolved impurities from water by passing it through a bed of sand and gravel?
Which of the following is the main constituent of biogas?
Which vitamin deficiency commonly causes the disease scurvy?
Which organ produces the hormone adrenaline that prepares the body for fight or flight response?
Which tube connects the middle ear to the throat helping equalize air pressure?
Which part of the plant conducts photosynthesis?
Which vitamin acts as an antioxidant protecting cells from damage and is found in nuts and seeds?
The gas that causes the pungent smell in rotten eggs is:
Which everyday observation shows that pressure in a gas increases as temperature increases at constant volume?
Which natural phenomenon explains why a compass needle always points toward magnetic north?
What is the boiling point of water at sea level in Celsius?
Which of the following is the primary cause of the greenhouse effect intensifying over recent decades?
Which process allows a submarine to sink or rise by adjusting water in ballast tanks?