Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which naturally occurring radioactive element was discovered by Marie Curie and named after her home country?
Which everyday process causes wood to appear to shrink and blacken when burned but conserves matter overall?
Which term describes the process by which a gas changes directly to a solid without passing through the liquid state?
What is the chemical process by which iron rusts?
Which type of radiation has the greatest penetrating power among alpha beta and gamma radiation?
Which kidney process selectively returns useful substances like glucose back to the bloodstream?
Which everyday principle explains how blood pressure monitors measure pressure in the arteries?
Which phenomenon explains why sound travels faster in warm air than in cold air?
Which gas is produced during electrolysis of water at the negative electrode called the cathode?
Which substance in a catalytic converter helps reduce harmful vehicle exhaust emissions?
Which planet in the solar system rotates on its side with an axial tilt of about 98 degrees?
Which common observation explains why sound seems louder when heard through walls compared to open air over long distances?
Which gas makes up the majority of the human body by weight in terms of elements?
The device used to convert mechanical energy into electrical energy is:
Which vitamin deficiency causes pellagra characterised by dermatitis diarrhoea and dementia?
The scientific term for an organism that can survive in extreme environmental conditions is:
The process of converting milk into curd is caused by:
Which hormone is responsible for the fight-or-flight response?
The process by which the kidneys remove excess water from the body is called:
Which property of a magnet means it will always realign itself to point in a north-south direction if freely suspended?