What does the term ‘Mortal’ mean? It means that an organism cannot live forever. We, humans, are mortal as well. If so why haven’t we gone extinct? Well, it is due to a fascinating process called the reproduction. Most living organisms reproduce and give rise to an offspring of the same species. The process of …
As you grow, you might feel some bodily changes happening. These changes bring maturity, as well as make you more emotionally and psychologically ready. But why do these changes occur at some point in time, and why not at birth? This period where you experience changes in your body and mental health is called Adolescence. …
Throwing a ball, lifting a heavy object or stopping a moving thing, all of these activities require an application of force. And what do we mean by force? Force can be defined as actions that we perform on various objects in order to move them. Force is associated with the concept of pressure. How are …
Imagine you are taking a walk, and you see a banana peel lying on the road. You tend to skip that. And why is that so? Well, the answer lies in the SCIENCE of friction. It is a type of force that resists the movement of one surface on the other. It is Friction that …
Ever heard the annoying sound made by a mosquito near your ears? Ever wondered how these organisms are producing sound? Well, they are able to generate sound by vibrating their wings. That came out as surprise, didn’t it? Sound is a wave that is generated due to vibration, it may be the irritating sound of …
One day you wake up and hear the news that there will be no electricity for the day. Even the thought of living without electricity makes us sad. Electricity is the need of the time. All the home appliances work on electricity. Right from door-bell, to charging of laptop or phone (on which you will …
On a rainy day, while enjoying the beautiful scenery, you noticed a flash of light that blinded you for a moment. Seconds after that, you heard a loud noise. This sound is the result of that bright light that you just saw. This natural phenomenon is known as lightning. And what do we mean by …
What travels in a straight line, and helps us fight the darkness? It is named as the fastest thing around the universe. It can be seen. It can be created. It is helpful as well as threatening. What is it? To find the answer, check out these videos.
How do you think that the food cultivated by farmers reach our homes? Any guesses? Agriculture is intertwined with many other processes such as – cultivation, preparation of soil, sowing, irrigation, and so on. A farmer is involved in all these processes. He prepares the soil, sows the seeds, adds manure, irrigates, and harvests. As …
Gazing the sky at night time feels so relaxing. The shining stars that reflect light. The moon that sometimes smiles, or hides. The twinkling meteoroids. All these create a perfect night scenery. But sometimes things aren’t the same as we see them. In this lesson, we will take a closer look at all these celestial …
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