The ozone layer is a layer of the Earth’s atmosphere that protects us from the sun’s harmful ultraviolet (UV) rays. It is located in the stratosphere and contains three oxygen atoms (O3) instead of the two oxygen atoms (O2) found in the air we breathe. The ozone layer absorbs most of the UV radiation from…
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What is the difference between a planet and a star?
The difference between a planet and a star is often confusing and misunderstood, but they are actually quite different. A planet is a large celestial body that orbits around a star, while a star is a large celestial body that emits light and heat and is the source of energy for a planetary system. A…
Read moreWhy do some animals migrate?
Animals migrate for a number of reasons. Some migrate to find food sources, some migrate to breed, and some migrate to escape seasonal changes in climate. Migration is a natural phenomenon that can be seen in a variety of species, from birds and insects to mammals and fish. Migration is often driven by food-seeking behavior….
Read moreHow does the water cycle work?
The water cycle is one of the most important processes in nature, and it has been occurring for millions of years. It’s a cycle that is constantly repeating, and it’s a cycle that connects all living things. Simply put, the water cycle is the continuous movement of water on, above, and below the surface of…
Read moreWhat is the difference between an asteroid and a comet?
An asteroid and a comet are two different objects that exist in our solar system and beyond. An asteroid is a small, rocky body that orbits the Sun and is composed of a variety of materials, such as metals, silicates, and organic compounds. Asteroids typically range in size from a few hundred meters to a…
Read moreHow do we know the age of the Earth?
The age of the Earth is an interesting topic that has fascinated scientists and philosophers alike for centuries. It is a subject that has seen debates, theories, and discoveries throughout the centuries. Although there is still much to be discovered when it comes to the age of the Earth, we can confidently say that it…
Read moreHow do we make electricity?
Electricity is the flow of electric charge through a material medium. It is one of the most important forms of energy used in modern society and has revolutionised the way we live our lives. At its most basic level, electricity is created when electrons flow from one atom to another, creating a current. This happens…
Read moreHow do magnets work?
Magnets are a mysterious and fascinating force of nature which have been used for centuries for a variety of purposes. But what exactly is a magnet and how does it work? To answer these questions, let’s take a closer look at how magnets work. At its most basic, a magnet is an object that has…
Read moreWhat is the highest mountain in the world?
The highest mountain in the world is Mount Everest, located in the Mahalangur Himal sub-range of the Himalayas in Asia. At 8,848 metres (29,029 ft) above sea level, it is the highest mountain in the world. Mount Everest is part of the Tibetan Plateau, an area of high altitude in the Himalayas, and is surrounded…
Read moreWhy do we have different time zones?
Time zones are an essential part of our lives. They allow us to organise and synchronise our activities with the people around us, regardless of how far apart we may be. But why do we have different time zones in the first place? The main reason we have different time zones is because the Earth…
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