Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which blood vessels carry deoxygenated blood back to the heart from body tissues?
Which bird is known for its ability to mimic human speech?
What is the term for organisms that make their own food using sunlight?
Which common everyday substance is used to test for the presence of starch in food by turning blue-black?
Which organ in the human body is primarily responsible for filtering blood?
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 gas is commonly used to fill balloons so that they float in air?
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?
Which everyday material is a good thermal insulator commonly used in winter clothing to retain body heat?
Which blood component is primarily responsible for clotting?
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 cold-blooded animal group is covered in scales breathes air through lungs and lays eggs on land?
Which gas makes up the highest percentage of exhaled human breath besides nitrogen?
Which common process happens when iron is exposed to oxygen and moisture over time forming a reddish-brown coating?
Which gas makes up approximately 21 percent of Earth's atmosphere and is essential for respiration?