What term comes to your mind when you collectively recall all the elements surrounding you? That’s right. It’s the environment. The environment is a collective term which includes all the biotic and abiotic elements. But in recent times, our environment has been going through some bizarre changes. The changing lifestyle of humans, the changing conditions …
Water, air, soil and land are some of the important natural resources on the Earth. All these resources are constantly exploited and polluted. It is evident that if humans continue to exploit these resources, there will come a time when we will be left with none. Hence, to avoid such a situation and reduce the …
What is common between the burning of a matchstick and rusting of an iron nail? In both cases, a new substance is formed. The burned matchstick turns to ashes and smoke, while the iron forms a red patch over it. This change is irreversible, meaning that none of the previous substance can be brought back …
Given two things – lemon juice and soap powder, how would distinguish between what is an acid and what is a base? An acid is sour, whereas a base tastes bitter. What if we told you that a healthy orange juice and not so healthy carbonated cold drink are nothing but acid? Not only this, …
Why is Gold considered a metal, and wood a non-metal? In this chapter, we will take you through a detailed study of metals and non-metals, covering all the important topics that will help you understand the difference between these two categories. You will also be acquainted with definitions and meaning of terms such as ductility, …
What if we tell you that black coal and a shiny diamond has a fundamental similarity? Yes, you heard us right. Both black coal and the diamond are made up of carbon. The diamond and coal appear different because of the chemical bonding between their carbon atoms. Carbon can form a special kind of bond …
Suppose there is a mix of some tomatoes, potatoes, onions, apples, mangos, bananas, and some lemons in a basket. Now your job is to count all the vegetables. While you may want to count the vegetables one by one, but there is a simple way. Classification. What if we classify the vegetables differently? Tomatoes, potatoes, …
Have you ever wondered from where do we get the energy to perform our daily activities? It comes from the food that we consume. We know our body is made up of cells and they are the functional unit as well. So does that mean food that we consume and the food required by the …
Why do we immediately pull our hand away when touched a hot object? Because of a reflex action. You will be amazed to know that the brain is not at all involved in this process. The signal goes to the spinal cord and comes back from there signalling muscles to move away quickly before we …
Genes are the basic fundamental units of life. They are transferred from the parents to offsprings by a complex process. Ever wondered why we don’t look exactly like our parents? Or why we don’t look identical to our siblings? Also, we humans look way too different from our ancestors. Humans evolved from their ancestors through …
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