One day, two dogs were travelling on the same road. One was a gentle spaniel and the other a grumpy growly mastiff. The spaniel politely asked the mastiff, “May I please walk with you on this journey?” The mastiff replied, “Sure! I have no problem. You may walk along with me.” Both the dogs started […]
A long time ago, there was a sage who had great powers. One day, he saw a mouse fall from the beak of a flying crow. He picked up the mouse and fed him some rice. A few days later, the saint saw the mouse being chased by a cat. To make the mouse stronger,
Ferrous minerals are iron-rich minerals. They are less stable and more prone to rapid decomposition than non-ferrous minerals because they are formed under high pressure and temperature. Ferrous minerals usually tend to become dark and heavy. Iron ore, manganese and chromites are the examples of ferrous minerals. India is fairly rich in the deposits of
Metallic minerals contain metallic elements which can be melted to form new products. These minerals are obtained from mines in raw form, called ores (metal + impurities). To extract metals from these ores, they are physically and chemically processed. There are about 2800 known minerals on the Earth. Each one is a unique substance with
Once upon a time, there was a very learned saint. He was known all over for his powers. One day, he was walking with his disciples. On the way, he saw a pond full of fish. He stopped there. He caught some fish and put them in his mouth. The disciples did the same. The
Minerals are naturally occurring substances formed by geological processes. They are found in the uppermost layer of the Earth’s crust. Some minerals are formed from molten magma, such as diamond, mica and feldspar. Some are found in places such as in rocks, in sand or in gravels. There exist more than 2800 different varieties of
Once upon a time, there was a boy called Robin. He was a very lazy boy. He never used to do things on time and always delayed them. One day, his mother said to him, “Robin, switch off the gas.” Robin delayed going and when he did, the milk had boiled over. One day, his
Rocks are formed through various natural processes such as weathering, erosion or movement of tectonic plates. One type of rock gradually interchanges and recycles to form another type of rock. This change is called rock cycle. It is a very slow process. ♦ Solidification of molten magma produces igneous rocks. ♦ These igneous rocks break
Once, there was an illiterate villager. He often saw people wearing glasses while reading. He thought, ‘If I have glasses, I can also read like these people.’ So, one day, he went to a glass shop. The shopkeeper gave him various pairs of glasses and a book. The villager tried all the glasses. But he
A long time ago, there was a kingdom. The king of that kingdom had a beautiful daughter. He was looking for a suitable bridegroom for his daughter. The king proclaimed, “Whoever in this kingdom answers my question correctly will get to marry the princess. The question is–Who or what makes people cry?” Now, many young
Once, there was a boy named Daniel. His father worked as a carpenter. But still, he managed to raise Daniel decently. He was sent to college as well. After finishing college, Daniel took up a job and started living independently. Meanwhile, his father fell ill. He could not continue his work. One day, he asked
Once, a wolf was starving. So, he looked around to catch some prey. He reached a meadow where he saw some sheep grazing the green grass. He quickly hid behind a bush. As soon as he got the chance, he carried away a lamb to eat it at a safe place. Unluckily, a lion came
Once upon a time, a bear went to the river fishing. As he was fishing, he noticed a huge trunk lying on the river banks. The bear, out of curiosity, opened the trunk. To his delight, the trunk was full of lovely colourful clothes. He quickly took out a shirt, a hat, a tie and
Long ago, there were two brothers, Tanyan and Zhoshu. One day, Zhoshu went away to seek his fortune. On the way, he saw a hut and decided to ask for some food. An old woman came out. Zhoshu asked, “Can I get some food?” The woman replied, “Yes, but only if you remove all the
Metamorphic (meta means ‘form’ and morphic means ‘change’) rocks are the transformed form of igneous or sedimentary rocks. They are formed when these rocks experience intense heat and pressure deep inside the Earth’s crust. For example: limestone (sedimentary) converts to marble (metamorphic) when it comes in contact with high heat and pressure. Metamorphic rocks are