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?
Which of the following vitamins helps in blood clotting?
Which of the following is the SI unit of energy?
Which everyday item uses the principle of total internal reflection to transmit data as light signals?
What is the chemical process by which iron rusts?
What is the powerhouse of the cell called?
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?
The disease night blindness is caused by the deficiency of:
Which type of chemical bond involves the sharing of electrons between atoms?
Which everyday principle explains how blood pressure monitors measure pressure in the arteries?
Which scientist discovered the law of gravity?
Which scientist proposed the theory of relativity?
The process of forming new blood cells in the body occurs mainly in the:
Which phenomenon explains why sound travels faster in warm air than in cold air?
Which of the following organs produces digestive enzymes as well as insulin?
Which gas is produced during electrolysis of water at the negative electrode called the cathode?
The main function of the cerebrum in the human brain is to: