Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which vitamin is essential for good vision?
What is the term for a substance that speeds up a chemical reaction?
The main source of atmospheric oxygen is:
The disease caused by the deficiency of vitamin D and calcium in children, leading to soft bones, is called:
Which natural phenomenon is measured using the Richter scale?
Which of the following elements is essential for photosynthesis besides carbon and hydrogen?
Which of the following is the boiling point of water at sea level in Celsius?
What is the name of the process where a solid changes directly to gas?
The normal body temperature of a healthy human is approximately:
Which of the following elements is used in the making of the filament of an electric bulb?
The layer of skin responsible for producing melanin is:
Which of the following is the chemical process responsible for bread rising?
Which type of rock is formed from cooled magma or lava?
The main function of the ozone layer is to:
Which of the following elements is a key component of chlorophyll?
The energy transformation that occurs in a solar panel is from: