“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

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Vocabulary for Competitive Exams

1. Drink lots of water. Did you know that our body is mostly made up of water? Over half of our body is made from water which means we need to keep it hydrated. Make sure you drink lots of …

  1. Tom Riddle Has A Different Name In Each Translation Of The Movies Do you remember in Harry Potter and the Chamber of Secrets when the letters of the name Tom Marvolo Riddle rearrange to say ‘I am Lord Voldemort?’. Well to …

1. Brazil is the largest country in South America Brazil is the world’s fifth-largest country and has the sixth most people living there of any country in the world. Over 211 million people live in Brazil. 2. Brazil has 4 …

  1. The human brain grows three times its size by your first birthday! Your brain starts out like the rest of you – really small! By the time you’re one year old, your brain will have grown three times …

1. The Moon stays in place because of gravity. If gravity didn’t exist then the Moon would have probably floated away by now! It is kept in place by the gravitational force from Earth. Luckily the moon is travelling at …

  1. There will be more plastic in our oceans than fish by 2050. It’s estimated there are around 3,500,000,000,000 fish currently in our oceans (that’s a lot of zeros!). So, can you try and imagine just how much plastic …

1. Christmas is celebrated on 25th December each year. Christmas is celebrated on 25th December every year. It is celebrated on this day as it is a Christian Festival and they believe that this was the day that Jesus was …

1. The space shuttle was the first reusable spacecraft. The space shuttle was the first ever reusable spacecraft. This means they could be launched again and again. Space rockets aren’t reusable, so they only have a one time use! 2. …

1. Your brain doesn’t feel pain! Did you know that your brain doesn’t feel any pain? This is because it has no pain receptors in it. This is really handy because the brain can sometimes be operated on by surgeons …

1. A hurricane is a tropical storm. A hurricane is a huge tropical storm. They usually happen in tropical parts of the world and form in the sea. Hurricanes create very strong winds and can often cause devastation to the …

1. Earth Day is on 22nd April every year. Earth Day happens every year on 22nd April. It started on this day because it was a day when lots of students were on a break from school. It’s very important …

1. Earthquakes usually happen on the edge of tectonic plates. Earthquakes are more common in certain countries due them being on the edge of tectonic plates. Tectonic plates are the outer layer of the Earth. They are made of rock …

1. Volcanoes are openings of the Earth’s surface. Volcanoes are openings of the Earth’s surface. When a volcano erupts lava, ash and gas is expelled from it. The hole at the top is known as the volcanic crater. 2. The …

1. The first person on the moon was Neil Armstrong. The first ever man to step foot on the moon was Neil Armstrong. It was during the Apollo 11 mission where they were going to attempt to land two men …

1. Antibiotics are used to kill off bacteria. Antibiotics are used when you have a bacterial infection. They are a chemical which can help your immune system fight and kill the bad bacteria. It can also slow the growth of …

1. Vaccines give you immunity to diseases. Vaccines help your immune system to identify a disease. Once it knows what it is dealing with, it will create antibodies ready for when the real disease takes over. When you catch the …

1. 6% of the Earth is covered by the rainforest. Rainforests only cover around 6% of the Earth’s surface. There isn’t much left which is why we now need to look after it more than ever. Unfortunately because of the …

1. How long did Victoria reign for? Queen Victoria was the Queen of England between 1837 and 1901. Behind our Queen, Queen Elizabeth II, she is the second longest reigning monarch of the United Kingdom. She reigned for 64 years. …

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