Rainbow 5 Trivia Quiz

Answer: Yellow

Saffron is a spice derived from the flower of Crocus sativus, commonly known as the saffron crocus. It is known for its distinctive flavor, aroma, and color. When saffron is boiled, it retains its yellow color, which is due to the presence of a carotenoid pigment called crocin.

Interestingly, saffron is one of the most expensive spices in the world, as it takes around 75,000 saffron blossoms to produce just one pound of saffron threads. This makes it a highly sought-after ingredient in many cuisines, particularly in Middle Eastern, Indian, and Mediterranean dishes.

Answer: Red

Water polo goaltenders are required to wear red caps to distinguish them from other players. This is because the goalkeeper is the only player who is allowed to touch the ball with both hands at any time during the game. The red cap helps the referees and other players easily identify the goalkeeper and avoid any confusion during the game.

Interestingly, the other players wear white caps.

Answer: Red

The Central Line on the London Underground map is represented by the color red. Interestingly, the Central Line is one of the busiest lines on the London Underground, with over 260 million passenger journeys made on it annually. The line was originally opened in 1900 and has since undergone several extensions and improvements.

The Central Line also holds the record for the longest escalator on the London Underground, which can be found at the station for the Angel Islington.

Answer: White

When wood is burned in a barbecue pit, the coals that are produced go through a series of color changes. Initially, the coals are black or dark gray, but as they heat up, they turn red and then white. The hottest coals are actually white, as they have reached their maximum temperature and are emitting the most heat.

This is why many barbecue enthusiasts wait until the coals turn white before placing their food on the grill, as it ensures that the food will cook evenly and thoroughly. Interestingly, the color of the coals can also be an indicator of the type of wood that was burned, as different types of wood produce different colored coals.

Answer: Blue

Cue chalk is an essential tool for billiards players, helping them to achieve better grip and control over the cue ball. The most prevalent color of cue chalk is blue, which is used by many professional players. Interestingly, the blue color of the chalk is not just for aesthetic purposes; it is believed to provide better visibility on green felt tables, making it easier for players to see where they have applied the chalk.

Other colors of cue chalk, such as green, red, and black, are also available, but blue remains the most popular choice among players.

Answer: Yellow

Wimbledon, the oldest tennis tournament in the world, has been using yellow tennis balls since 1986. Prior to that, they used white tennis balls, but the players had difficulty seeing them on the grass courts. The change to yellow balls made it easier for players and spectators to follow the ball during matches.

Interestingly, the yellow color of the balls was chosen because it was the most visible color on television. Today, most tennis tournaments around the world use yellow tennis balls, but some still use white ones, including the French Open.

Answer: Blue

Dennis Connor's 'Stars and Stripes' had a blue hull. This iconic yacht was built for the America's Cup, a prestigious sailing race that dates back to 1851. The hull color of a boat can have practical as well as aesthetic purposes. Blue is a popular color for boat hulls because it is believed to repel barnacles and other marine organisms that can attach themselves to the hull and slow the boat down. Additionally, blue is a calming color that can evoke feelings of trust and reliability, which may be why it is a popular choice for boats and other vehicles.

Answer: Red

Red sky at night, sailor's delight. Red sky in the morning, sailor's warning. This old adage has been passed down for generations and is based on the scientific principle that a red sky at sunset indicates high pressure and stable air, which is usually followed by good weather the next day. Conversely, a red sky in the morning indicates that the high pressure has already passed and a low-pressure system with potentially stormy weather is moving in. So, if you see a red sky at night, you can rest easy knowing that good weather is likely on the way.

Answer: Red

The command knob on Ms Pac Man is red. Interestingly, the color red is often associated with power, passion, and energy. In fact, studies have shown that seeing the color red can actually increase a person's heart rate and blood pressure. This may explain why the designers of Ms Pac Man chose to make the command knob red, as it adds to the excitement and intensity of the game. Additionally, red is a primary color in the RGB color model, which is used to display images on electronic screens.

Answer: Brown

The hairs on a hairy horse crab are indeed brown. These crabs are known for their unique appearance, with a spiky shell and long, thin legs. They are found in the Pacific Ocean, from Japan to Australia, and are often used in Asian cuisine. Interestingly, the hairs on their body serve a purpose beyond aesthetics.

They are actually sensory organs that help the crab detect movement and changes in the water around them. So, while they may look intimidating, these crabs are actually quite fascinating creatures.