Answer: Temperature
A thermometer is a piece of measuring equipment used in measuring temperature.

Answer: John Lennon
At the age of 40, John Lennon was shot and killed on December 8, 1980 in New York City, United States.

Answer: Blue whale
The blue whale is not only the largest sea animal, but also the largest animal in the world.

Answer: 50
The United States of America is made up of 50 states. Each of these states is represented by a star on the country's flag.

Answer: Bill Gates and Paul Allen
Microsoft was founded on April 4, 1975 by Bill Gates and Paul Allen in Albuquerque, New Mexico, United States.

Answer: Barack Obama
In 2009, Barack Obama became the first African American to become President of the United States.

Answer: No
Not all types of snakes are poisonous. Some examples of non-venomous snakes include boas and pythons.

Answer: California
Arnold Schwarzenegger was the 38th Governor of California. He occupied that post from 2003 to 2011.

Answer: U.S.A.
In 2004, Mark Zuckerberg, Chris Hughes, Andrew McCollum, Eduardo Saverin and Dustin Moskovitz founded the famous social networking site Facebook in Cambridge, Massachusetts, United States.

Answer: Captain Hook
Captain Hook is a one-armed pirate. In place of his lost hand is an iron hook.