Which cell organelle is often referred to as the powerhouse of the cell due to its role in energy production?

Which force is primarily responsible for keeping planets in orbit around the sun?

What is the approximate speed of light in a vacuum?

Which organ in the human body stores and concentrates urine before it is excreted?

Which everyday optical device uses a combination of lenses to magnify distant objects?

Which naturally occurring radioactive element was discovered by Marie Curie and named after her home country?

Which household water purification method uses ultraviolet light to kill bacteria and viruses?

Which everyday chemical reaction is responsible for rusting of iron objects?

Which organ stores bile produced by the liver until it is needed for digestion?

Which everyday material acts as a natural antibacterial due to its low water activity and acidic pH?

Which household chemical should never be mixed with bleach as it produces toxic chloramine gas?