Which mineral is essential for strong bones and teeth?

What is the powerhouse of the cell called?

Which everyday phenomenon explains why a metal spoon feels colder than a wooden spoon at the same room temperature?

What is the term for animals that are active at night?

Which common food borne bacterial disease causes prolonged fever and is transmitted through contaminated food and water?

Which instrument is used to measure humidity?

Which scientific law explains that every object attracts every other object with a force proportional to their masses?

Which scientist is credited with developing the first successful smallpox vaccine?

Which everyday safety device detects dangerous levels of carbon monoxide in homes?

Which common household item works based on the principle of Pascal's law?

Which soft tissue found inside bones is responsible for producing new blood cells?