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The article focuses on the questions on physics regarding automobile air conditioning and calculating the number of leaves to fall in U.S.

A quiz about Fermi principles in physics is presented.

A physics quiz on the maximum range of a blow dart and the cost of minting the U.S. penny is presented.

The article presents questions related to physics such as how a sunlight reflected from the Walkie Talkie tower in London, England partially melted a Jaguar car as well as the number of automobiles needed by Internet firm Google Inc. to take pictures from its street view technology in the U.S.

The article reports two questions regarding physics in which the answers can be found at the book "Guesstimation: Solving the World's Problems on the Back of a Cocktail Napkin," by Lawrence Weinstein and John Adam.

The article presents questions related to education including how many grandparents can be expected to die within a week of an exam and how long would the cannon barrel need to be so that the human cannon balls would survive reaching escape velocity.

A quiz is presented regarding the maximum tension exerted by web as Spider-Man™ swings from it while chasing a car, and on the proportion of the automobile fuel that could be supplied by used cooking oil.

The article presents a question concerning the physics of baseball.

The article presents a question regarding the physics of baseball.

The article cites two question related to physics. The first question concerns the perimeter needed to enable surface tension to support body weight. The other question seeks a comparison between the accelerations of a jet airplane taking off, person starting to walk and an accelerating car.