Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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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?
Which type of diet is most commonly recommended for preventing cardiovascular disease due to its emphasis on healthy fats?
Which common property of water describes water molecules being attracted to each other through hydrogen bonds?
Which common property of water is described as the tendency of water molecules to stick to other surfaces?
Which everyday device measures body temperature by detecting the infrared radiation emitted from the ear canal or forehead?
Which renewable energy source harnesses heat stored inside the Earth to generate electricity?
Which everyday observation shows that white light is composed of multiple colours?
Which type of teeth erupt last in humans typically between ages 17 and 25 and are commonly called wisdom teeth?
Which everyday observation shows that pressure in a gas increases as temperature increases at constant volume?
Which common everyday substance is used to test for the presence of glucose in food and turns brick-red when heated?
Which everyday substance when mixed with water forms a solution that conducts electricity?