Community and Games Quizzes

Daily Quiz: Sunday 21st February 2021

#1. Aaron looked up and saw some huge white birds soaring across the 21st century sky. But the birds didn't have beaks and they didn't flap their wings. What strange magic was this?

A plane’s engines are designed to move it forward at high speed. That makes air flow rapidly over the wings, which throw the air down toward the ground, generating an upward force called lift that overcomes the plane’s weight and holds it in the sky. … The wings force the air downward and that pushes the plane upward.

#2. Aaron hung around in the park until it got dark (well, where else would he go?), but it didn't get as dark as he expected. Throughout the park there were sticks with lights on top of them, but the light wasn't coming from a fire. What strange magic was this?

Streetlights brighten our city nights in the 21st century. Incandescent bulbs had a filament made of tungsten inside them. When an electric current passed through, electrons banged against the metal filament. The filament heated up and produced light.

#3. Tired of walking, Aaron sat down in Aotea square, where he sees a young male with narrow device which enabled him to produce thick white cloud from his mouth. What strange magic was this?

In 1963, Herbert A. Gilbert invented a “smokeless nontobacco cigarette,” but it was never commercialized. “Vaping,” or smoking electronic cigarettes, first became widely popular in China, where 60 percent of men are smokers. Modern e-cigarettes were patented in 2003 by Chinese inventor Hon Lik. In many e-cigarettes, puffing activates the battery-powered heating device, which vaporizes the liquid in the cartridge or reservoir. The person then inhales the resulting aerosol or vapor (called vaping).

#4. I am standing in the middle of a wild life refuge, around me are wood storks, reptiles that have been around since the dinosaurs and salt marsh mosquitoes. In the background, a large metal bird lifts off on its long journey of discovery, while its dead ancestors lie in wait for the frequent visitors who come and wonder at a bygone age. Where am I?

A short distance from the Kennedy Space Center, is the Merritt Island National Wildlife Refuge, which provides a haven for local fauna, in stark contrast to the technological wonderland just moments away. French Guiana is where the European Space Agency launches from, Airplane graveyard is fictional and La Citee D’Europe is the French terminal of the channel tunnel.

#5. MDF is an engineered wood product, what does the acronym MDF stand for?

Medium-density fibreboard (MDF) is an engineered wood product made by breaking down hardwood or softwood residuals into wood fibres, often in a defibrator, combining it with wax and a resin binder, and forming it into panels by applying high temperature and pressure.

#6. I am standing on a remote Siberian hillside, looking at the remains of a devastating explosion that occurred in the early part of the twentieth century. Where am I?

The Tunguska event was a massive explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of 30 June 1908. The explosion over the sparsely populated Eastern Siberian Taiga flattened an estimated 80 million trees over an area of 2,150 km2 of forest, and eyewitness reports suggest that at least three people may have died in the event. The explosion is generally attributed to the air burst of a stony meteoroid about 100 metres (330 feet) in size. It is classified as an impact event, even though no impact crater has been found; the object is thought to have disintegrated at an altitude of 5 to 10 kilometres rather than to have hit the surface of the Earth.

#7. What does this pictured tool do?

The notches down the jaws of a wire stripper are set for different wire gauges. Note that the larger the number, the smaller the wire.

#8. Who is John E. Walker?

Sir John Ernest Walker is a British chemist who won the Nobel Prize in Chemistry in 1997. As of 2015 Walker is Emeritus Director and Professor at the MRC Mitochondrial Biology Unit in Cambridge, and a Fellow of Sidney Sussex College, Cambridge.

#9. What is the first name of JK Rowling, author of the Harry Potter books?

Joanne Rowling  (born 31 July 1965), better known by her pen name J. K. Rowling, is a British author and philanthropist. She is best known for writing the Harry Potter fantasy series, which has won multiple awards and sold more than 500 million copies, becoming the best-selling book series in history. The books are the basis of a popular film series, over which Rowling had overall approval on the scripts and was a producer on the final films. She also writes crime fiction under the pen name Robert Galbraith.

#10. Sodium lithium boron silicate hydroxide- Before it was discovered in a Serbian mine, the only references to this mineral could be found wher

Chris Stanley, a minerologist at London’s Natural History Museum, was puzzled when mining Group Rio Tinto brought him an unusual specimen, Jadarite. Discovered in a mine near Jadar, Serbia, the mineral had a known chemical formula—sodium lithium boron silicate hydroxide. Using his own expertise and specialized resources, Stanley was unable to identify the mineral. Finally, he did what the rest of us would have done at the start—he searched for the formula on the Internet. And got lots of hits. It turns out that this mineral had already been described—in Superman comic books and movies. The formula is an exact match for Kryptonite, the fictional mineral. Kryptonite, according to DC Comics, was created when the planet Krypton blew up. Stanley explains

#11. I am standing on top of one of the oldest and biggest man made structures on the planet which is at least 6,352 km (3,948 miles) long. What is it?

Construction of the great wall started in the 7th century BC, with various small states in Northern China building wall. The walls were adjoined during the Qin Dynasty and extended upon during the Ming Dynasty, the renovation and extension, which resulted in the wall we see today, lasted over two thousand years.

#12. In which city in Italy is Leonardo Da Vinci's Last Supper displayed?

The Last Supper is a late 15th-century mural painting by Italian artist Leonardo da Vinci housed by the refectory of the Convent of Santa Maria delle Grazie in Milan, Italy. It is one of the Western world’s most recognizable paintings.

#13. What colour is the 'Cookie Monster' from the programme Sesame Street?

Cookie Monster is a Muppet character on the long-running PBS/HBO children’s television show Sesame Street. He is best known for his voracious appetite and his famous eating catchphrases, such as “Me want cookie!”, “Me eat cookie!” (or simply “COOKIE!”), and “Om nom nom nom” (said while eating).

#14. Can you identify this screwdriver :

It’s a common misconception that the Phillips screwdriver was named after its inventor. But the truth is that the screwdriver is really named after Henry F. Phillips, the owner of the company which purchased the design from its inventor John P. Thompson. John P. Thompson invented a crosshead screw design in 1932. He patented the design the following year and set about to different manufacturers to have his invention produced on a mass scale. The screw head was designed to overcome the difficulties of slippage and wear that were common with the straight designs that accommodated the flat head screwdriver.

#15. In the heart, where do the electrical impulses controlling the beat originate?

An electrical stimulus is generated by the sinus node (also called the sinoatrial node, or SA node). This is a small mass of specialized tissue located in the right upper chamber (atria) of the heart. The sinus node generates an electrical stimulus regularly, 60 to 100 times per minute under normal conditions.

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