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 …
Whenever you stand in front of a mirror, you see an image of yourself in it. Ever wondered how is it possible? Or how are we able to perceive objects with our eyes? All these things are possible because of “Light” and the magical phenomena of “Reflection” and “Refraction”. Does that mean the light makes …
Vision is the dominant sense for us. We perceive almost 80% of all impressions using our sight. Ever wondered what would you be without those spherical pair of eyes? Difficult to imagine, right! Indeed, our eyes are the windows to the wonders of the world. Sight is the precious gift we can’t take for granted. …
On a hot sunny day, you return home covered in sweat only to see that there is no electricity and hence no Air Conditioner. What would it feel like? Electricity has become a modern necessity for humans because it is a controllable and convenient form of energy. Ever wondered how does electricity flow in an …
Electricity is a boon to mankind! We have studied the conduction of electricity in the previous chapter. The electric current-carrying wires behave like a magnet. There is a close connection between electricity and magnetism. This connection between electricity and magnetism is called the “Electromagnetism”. Several appliances work on this incredible phenomenon. Curious enough to learn …
The world population is increasing day-by-day. This means, the demands for the usage of various resources also increasing. It should be noted that the energy resources we use, are limited and may go extinct if we continue to use them without thinking of tomorrow. Hence, to limit the use of these energy resources, we must …
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, …
© Copyright 2013 – 2020 Zouka Solutions Private Limited
