Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which simple machine uses a grooved wheel and rope to lift heavy objects with reduced effort?
Which simple machine is used in a bottle opener to pry open a cap?
Which common kitchen tool functions based on the principle of a wedge to separate materials?
Which type of energy transformation occurs when a battery powers an electric device?
Which type of energy transformation occurs in a solar panel converting sunlight into usable electricity?
Which everyday material is a poor conductor of heat and is commonly used as cookware handles?
Which everyday material is a good thermal insulator commonly used in winter clothing to retain body heat?
Which B vitamin deficiency commonly causes the disease beriberi affecting the nervous and cardiovascular systems?
Which vitamin acts as an antioxidant protecting cells from damage and is found in nuts and seeds?
Which vitamin is essential for proper blood clotting and is often associated with green leafy vegetables?
Which white blood cell type is the most abundant and primarily fights bacterial infections?
Which white blood cell type is primarily responsible for producing antibodies against pathogens?
Which fluid in the lymphatic system helps transport white blood cells and remove waste from tissues?
Which fluid lubricates joints and reduces friction between bones during movement?
Which fluid cushions and protects the brain and spinal cord from mechanical shock?
Which protective membranes cover and protect the brain and spinal cord?
Which membrane surrounds the heart and protects it within the chest cavity?
Which membrane surrounds the lungs and reduces friction during breathing movements?
Which gas exchange membrane structure in the lungs maximizes surface area for efficient breathing?
Which soft tissue found inside bones is responsible for producing new blood cells?