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Question 1: Why do stalactites and stalagmites form in caves?
Question 2: Which country is home to the ancient city of Petra?
Petra is an archaeological city in southern Jordan famous for its rock-cut architecture. It was the capital city of the Nabataean Kingdom around 300 B.C. and is now Jordan's most popular tourist attraction.
Question 3: Why are giant pandas born so tiny?
Newborn giant pandas weigh only about 3 to 5 ounces (85 to 140 grams) - around 1/800th of the mother's weight. This small size allows the mother panda to move about and still care for the cub.
Question 4: Where is the center of mass of a figure skater located when they are spinning on ice?
The center of mass of a figure skater is typically located just above their belly button. As they pull their arms and legs inward, their rotational inertia decreases which makes them spin faster.
Question 5: Where did the tango dance style originate?
The tango originated in the 1880s along the Río de la Plata, the natural border between Argentina and Uruguay. It was born in the impoverished port areas of these countries, where natives mixed with slave and European immigrant populations.
Question 6: Which fashion house was founded by Coco Chanel?
Coco Chanel founded her eponymous fashion house in 1910. She revolutionized women's fashion with her iconic designs like the little black dress and Chanel No. 5 perfume.
Question 7: How many chambers are in the human heart?
The human heart consists of four chambers - two atria and two ventricles. The right atrium receives deoxygenated blood while the left atrium receives oxygenated blood. The ventricles pump the blood out to the body and lungs.
Question 8: How many words are in Shakespeare's longest play?
Shakespeare's longest play is Hamlet. At 30,557 words, it takes over 4 hours to perform in its entirety. His shortest play, The Comedy of Errors, has 14,369 words.
Question 9: What is the term for the fear of being alone?
Monophobia is derived from the Greek words 'monos' meaning alone and 'phobos' meaning fear. It is an irrational fear of being alone and isolated, which can severely impact a person's daily functioning and quality of life.
Question 10: Who composed the opera "The Marriage of Figaro"?
The Marriage of Figaro is a comic opera composed in 1786. The libretto was written by Lorenzo Da Ponte and was based on a stage comedy by Pierre Beaumarchais. It is one of the most frequently performed operas worldwide.
As water drips from the ceiling of a limestone cave, it leaves behind traces of calcite, slowly building up stalactites hanging down and stalagmites pointing up over thousands of years. The two formations sometimes meet in the middle to form a pillar.