Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which vitamin is produced when ultraviolet light acts on cholesterol in the skin?
Which part of the water cycle involves water vapour cooling and turning back into liquid water droplets to form clouds?
Which everyday application demonstrates the use of static electricity?
Which everyday hygiene practice is most effective in preventing the spread of common cold and flu viruses?
Which natural satellite is the only one orbiting Earth and significantly influences ocean tides?
Which type of teeth are primarily used for grinding and chewing food at the back of the mouth?
The gas released during photosynthesis that is essential for respiration is:
Which everyday material is a good thermal insulator commonly used in winter clothing to retain body heat?
Which part of the plant conducts photosynthesis and contains stomata for gas exchange?
Which everyday chemical reaction is responsible for rusting of iron objects?
Which of the following is used as a natural indicator to test acids and bases?
The disease commonly transmitted through contaminated water is:
Which common process happens when iron is exposed to oxygen and moisture over time forming a reddish-brown coating?
Which gas is commonly used in balloons to make them float?
Which renewable energy source harnesses sunlight directly to generate electricity?
Which essential mineral is critical for maintaining strong bones and teeth in the human body?
Which of the following is the chemical name for vinegar?
The primary function of the human skeleton, besides support, is to:
What is the term for water vapor turning into liquid water?