general knowledge Online Quiz - 3339

Methane gas from underwater hydrate deposits has been proposed as an explanation. The theory suggests that large methane releases could reduce water density dramatically, making ships lose buoyancy and sink rapidly. This is one of the more scientifically-grounded theories.

The Great Isaac Lighthouse near Bimini was indeed the site of a mysterious disappearance in 1969 when its two keepers vanished without a trace. The lighthouse was found functioning but empty, adding to the Bermuda Triangle's mystery.

Gold has a density of 19.3 g/cm³ while silver has a density of 10.5 g/cm³. Therefore, gold is significantly heavier than silver for the same volume. This is why gold jewelry feels heavier than silver jewelry of the same size.

False. Butterflies, like all insects, have six legs not eight. The confusion might arise because some butterfly species appear to have only four legs when the front two are reduced and held close to the body, but they definitely don't have eight.

True. Alaska is by far the largest state in the United States by land area, covering 663,300 square miles. The next largest, Texas, is only 268,596 square miles. Alaska is larger than the combined area of the next three largest states.

The United States does not have the largest land area in the world - that distinction belongs to Russia. The US ranks third or fourth depending on whether you count total area or just land area. Therefore the statement is false.

Tiger Woods' mother, Kultida Woods, is originally from Thailand. She met his father Earl Woods while he was serving in the US military. This is a well-documented biographical fact about the famous golfer.

Modern golf originated in Scotland during the 15th century. The Old Course at St Andrews, dating back to the 1500s, is considered the home of golf. While similar games existed earlier, Scotland is universally recognized as where the standardized game began.

A rhino's horn is composed primarily of keratin, the same fibrous protein that makes up human hair and nails. The horn is not attached to the skull but grows from the skin, similar to how hair grows. This biological fact makes the statement true.

Modern baseball originated in the United States in the mid-19th century. While similar games existed in England, the standardized version of baseball we know today was developed in America, with the first officially recorded game played in 1846 in Hoboken, New Jersey.

Lewis Carroll, the pen name of Charles Lutwidge Dodgson, is indeed the author of Alice's Adventures in Wonderland, published in 1865. He was a mathematician and writer at Oxford University who created this beloved children's story.

Fire requires fuel to continue burning, so feeding it food (fuel) keeps it alive. However, water extinguishes fire, causing it to die out. This riddle plays on the metaphorical use of food and the literal property of water as fire's opposite element.

Temperature is a measurement that can rise and fall (go up and come down) without any physical object moving. Unlike stairs or a physical object, temperature is a scalar quantity that changes without spatial displacement, making this the clever answer to the riddle.

When you peel an onion (take off its skin), the onion itself doesn't cry, but your eyes tear up due to the sulfur compounds released. This biological reaction is the basis of the riddle - the onion causes the tears, not the other way around.

A splinter is something you get while in the woods. You might sit down to try to find and remove it (seek it), but if you can't locate it, you unknowingly bring it home with you still embedded in your skin. The riddle plays on the irony of finding something that's actually lost in your body.

A boat anchor is thrown out (dropped) when you want to use it to stop the vessel, and taken in (raised) when you don't want to use it. This riddle cleverly reverses our normal intuition about throwing things away - here throwing out means deploying for use.

Your age is a number that only increases over time and never decreases. Unlike position, life, or success (which can all go down), age is a strictly monotonic quantity - it always goes up and never comes down. This makes it the perfect answer to this classic riddle.

A yardstick typically has three feet marked on it - one at each end and one in the middle. This riddle plays on the word 'foot' which can mean both a measurement unit and the bottom part of an object.

An egg must be cracked (broken) before you can cook and eat it. This is a classic riddle where the answer seems counterintuitive at first - you have to break something to make it useful.