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Question 1: When was the Sydney Harbour Bridge officially opened?
Question 2: What structure in the human body contains the alveoli?
Alveoli are small air sacs found in the lungs. They play a vital role in the exchange of oxygen and carbon dioxide between the air we breathe and the blood.
Question 3: What was the main reason for the Battle of Gallipoli during World War I?
The Battle of Gallipoli occurred from April 1915 to January 1916. It was an unsuccessful attempt by the Allied Powers to control the sea route from Europe to Russia during World War I. The Allies wanted to capture the Dardanelles Strait, which would ultimately give them access to Russia through the Black Sea.
Question 4: The Pythagorean theorem is used to find which side of a right-angled triangle?
The Pythagorean theorem states that the square of the length of the hypotenuse (the side opposite the right-angle) is equal to the sum of the squares of the other two sides' lengths. The theorem was named after the Greek mathematician Pythagoras.
Question 5: Who was the commander of the Australian and New Zealand Army Corps (ANZAC) during World War I?
General Sir William Riddell Birdwood led the ANZAC forces during the Gallipoli Campaign in 1915. He was a British-born officer who later became the first Australian-born Chief of the General Staff.
Question 6: In what year did Neil Armstrong become the first human to set foot on the moon?
Neil Armstrong set foot on the moon on July 20th, 1969, during the Apollo 11 mission. He famously declared, "That's one small step for man, one giant leap for mankind."
Question 7: What is the closest galaxy to our Milky Way?
The Andromeda Galaxy is approximately 2.537 million light-years away from Earth. It's considered to be our Milky Way's nearest large galaxy and is on a collision course with the Milky Way, expected to collide in around 4.5 billion years.
Question 8: If a person is nearsighted, what is the medical term for their condition?
Myopia comes from the Greek words "myein" (to shut/close) and "ops" (eye), indicating that it was historically associated with people squinting their eyes to see better. Myopia affects around 25% of the global population.
Question 9: How long does it take for the International Space Station to orbit Earth once?
The International Space Station orbits Earth at an altitude of approximately 250 miles (400 kilometers) and travels at a speed of 17,500 miles per hour (28,000 kilometers per hour).
Question 10: When did the Ancient Egyptian civilization begin?
The Ancient Egyptian civilization is known to have started around 3100 BCE with the unification of Upper and Lower Egypt under the first pharaoh, Narmer (also known as Menes). It lasted for more than 3,000 years, until the conquest of Egypt by Alexander the Great in 332 BCE.
The Sydney Harbour Bridge, also known as "The Coathanger" due to its arch-based design, is an iconic landmark in Australia. It took eight years to build and connects the central business district of Sydney to the North Shore.