Watch on Youtube Why is 0 longitude in London? It was used by more than two-thirds of the world’s ships and the USA had decided to use it. The line that runs through Greenwich in London is known as the prime meridian, meaning it is zero degrees longitude. The Earth is divided up into 360 […]
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Watch on YouTube How much wind does a wind turbine need? A wind speed of roughly 11 km/h. Wind power has been used for over 2000 years. The windmill was invented in the 7th century in Persia and wind power was harnessed to grind grain. The wind could do the work of a herd of
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Watch on YouTube Why are deserts cold at night? The sand reflects the heat up and the air cannot hold the heat in. Deserts have very high temperature extremes. The Sahara Desert, for example, has an average daytime high of 38 ˚C and an average nighttime low of 4 ˚C. If you are stuck in
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How do people predict the weather? These days, by using AI and supercomputers. People have tried to predict the weather for millennia. When most of the population were involved in the agricultural sector, knowing the weather was important. However, the day to day weather may have been less important than the seasonal weather. If there
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What is a marsh and a swamp? A marsh is a wetland on the edge of a lake or stream that is often flooded by water. A swamp is a wetland that has water saturated soil. The marsh is at the edge of the water, where it reaches the ground. The swamp is the next
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Why is Las Vegas in the desert? Because it is a good location for a stop on the new southern Californian railway line. Las Vegas wasn’t the first settlement to spring up in the desert of Utah. The area used to be lush marshland, but that all dried up and formed the Mojave Desert, except
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Where is the source of the Nile? The Nile starts as the White Nile and the Blue Nile before they come together. The White Nile probably starts in Lake Rweru and the Blue Nile probably starts in Lake Tana. The Nile is one of the longest rivers in the world. It used to be the
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Who owns the North Pole and the South Pole? This is a surprisingly difficult question. Technically, no country owns either of them, although a lot of countries make claims. Canada, Denmark, Norway, Russia, and the USA have made claims on the North Pole. Argentina, Australia, Chile, France, New Zealand, Norway, and the United Kingdom all
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How did the Vatican become a country? Benito Mussolini gave it to the Roman Catholic church in 1929. The Vatican is the world’s smallest country. It has a population of 453 people and is 0.44 square kilometers. That makes it about 2,500 times smaller than the city of Rome, which surrounds it. The Vatican is
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Was Ferdinand Magellan really the first person to circumnavigate the world? No, because he died about two-thirds into the journey. Ferdinand Magellan’s name was actually Magellan. He was born Fernão de Magalhães in Portugal, I n1480. He was born into nobility and he was a page of Queen Eleanor, the consort of King John II,
#544 Was Ferdinand Magellan really the first person to circumnavigate the world? Read More »
