Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which gas do humans exhale during respiration?
Which part of a plant cell is responsible for photosynthesis?
What is the primary source of energy for Earth's climate system?
What is the chemical formula for table salt?
Which part of the plant conducts photosynthesis?
What is the term for animals that are active at night?
Which human organ is primarily responsible for producing bile?
What is the boiling point of water at sea level in Celsius?
Which device converts sound waves into electrical signals for recording or amplification?
Which property of water causes it to expand when it freezes making ice less dense than liquid water?
Which medical imaging technique uses high frequency sound waves to visualise internal organs?
Which everyday material acts as a natural antibacterial due to its low water activity and acidic pH?
Which type of energy is stored in chemical bonds of fuel and released during combustion?
Which everyday observation demonstrates Newton's Third Law of Motion?
Which household chemical should never be mixed with bleach as it produces toxic chloramine gas?
Which gas is most responsible for the depletion of the ozone layer?
Which scientific instrument is used to measure very small distances such as the diameter of a wire or thickness of a sheet?
Which layer at the back of the eye contains photoreceptor cells called rods and cones that detect light?
Which part of the human eye is responsible for forming a sharp image by focusing light onto the retina?
Which term describes the process of a solid changing directly to a gas without passing through the liquid state?