Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which planet is known as the Blue Planet due to its large amount of surface water?
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 electromagnetic radiation is used in airport security scanners to see through luggage?
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 process in bread making causes dough to rise releasing CO2?
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 famous experiment proved that the Earth orbits the Sun rather than the Sun orbiting the Earth?
Which natural phenomenon occurs when the Earth's crust suddenly releases energy causing ground shaking?
Which phenomenon explains why the handles of pots and pans are made from plastic or wood rather than metal?
Which scientific instrument is used to measure very small distances such as the diameter of a wire or thickness of a sheet?
Which common safety device in electrical circuits breaks the circuit when current exceeds a safe limit to prevent fires?
Which photoreceptor cells in the eye are responsible for vision in dim light and cannot distinguish colours?
Which photoreceptor cells in the eye are responsible for colour vision and function best in bright light?
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?