Question 1: If a note has a frequency of 440 Hz, what note is it?
Question 2: Which U.S. President resigned from office in the wake of the Watergate scandal?
Richard Nixon resigned from the presidency on August 9, 1974, following the Watergate scandal, making him the first and only U.S. President to resign from office. The Watergate scandal involved a break-in at the Democratic National Committee headquarters and the Nixon administration's attempted cover-up of its involvement.
Question 3: What was the name of the first computer programmer?
Ada Lovelace, an English mathematician and writer, is considered the first computer programmer. She wrote the first algorithm intended to be carried out by a machine, specifically Charles Babbage's proposed mechanical general-purpose computer, the Analytical Engine, in the mid-1800s.
Question 4: Which Greek philosopher is credited with the famous saying, "I know that I know nothing"?
This saying is a paradox that encapsulates Socrates' approach to philosophy. He believed that true wisdom comes from recognizing the limits of one's own knowledge. Despite being considered one of the wisest men of his time, Socrates maintained that he knew nothing with certainty, which allowed him to continually question and seek deeper understanding.
Question 5: How many times does a hummingbird's heart beat per minute?
The hummingbird has the highest heart rate of any bird, with their heart beating up to 1,260 times per minute during flight. This high heart rate is necessary to support their high energy needs for hovering and rapid flight.
Question 6: Which organelle is known as the powerhouse of the cell?
Mitochondria are often referred to as the powerhouses of the cell because they generate most of the cell's supply of adenosine triphosphate (ATP), which is the primary energy currency for cellular processes.
Question 7: How many moons does Saturn have?
Saturn has the most moons of any planet in our solar system. While the exact number may change as new discoveries are made, as of 2023, Saturn is known to have 82 confirmed moons, with many more awaiting confirmation.
Question 8: Which of these is not a woodwind instrument?
Mitosis is a type of cell division that results in two daughter cells, each having the same number and kind of chromosomes as the parent nucleus, making the offspring genetically identical to the parent. This is how many single-celled organisms reproduce, as well as how multicellular organisms grow and repair tissues.
Question 9: What was the name of the first artificial satellite launched into orbit?
Sputnik 1 was the first artificial satellite launched into orbit by the Soviet Union on October 4, 1957. This event marked the beginning of the Space Age and sparked the Space Race between the United States and the Soviet Union.
Question 10: If you celebrate Hanukkah, what would you light each night?
During Hanukkah, a nine-branched candelabrum called a menorah is lit. One candle is lit on the first night, and an additional candle is lit each successive night until all eight candles are burning on the final night. The ninth candle, called the shamash, is used to light the other candles.
The A4 note, often called "concert pitch" or "standard pitch," has a frequency of 440 Hz. It serves as a tuning standard for musical performances and the manufacturing of musical instruments.