Which everyday device measures body temperature by detecting the infrared radiation emitted from the ear canal or forehead?

Which vitamin deficiency commonly causes night blindness in humans?

Which scientist developed the process of pasteurization and contributed significantly to the germ theory of disease?

Which common observation explains why sound seems louder when heard through walls compared to open air over long distances?

Which everyday process involves the removal of dissolved impurities from water by passing it through a bed of sand and gravel?

Which mosquito borne disease is characterized by high fever joint pain and a distinctive skin rash?