In the last chapter, we learnt that every living and non-living thing on the Earth exhibits motion. In this chapter, we will learn more about what causes the motion. This question has boggled the physicists for many centuries. To move any object, you require ‘Force’. In the same way, to stop any moving object, you …
You may have heard of the great scientist – Archimedes. He invented the science of mechanics and hydrostatics, gave us one of the most fundamental concepts of physics – the centre of gravity. Isaac Newton discovered the concept of Gravity. It is with this concept that we can study why everything that is thrown upwards …
Science always deals with tricks and tips that leave our minds baffled. For example – the term ‘work’ in regular world means – “activity involving mental or physical effort done in order to achieve a purpose or result.” Simple, isn’t it? But what if we tell you that ‘work’ in scientific term means – “is …
Take this experiment. Early in the morning, at 6.00 am, go out to your balcony. Close your eyes and concentrate on the sounds that you will hear. Surely, you would be able to recognise the sounds of birds, dogs, rustling trees, and others. But have you ever given a thought of how are you able …
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 …
We often hear our loved ones asking us to wash our hands thoroughly, definitely before having any meal, or when we come home from outside. But why is that so? Well, the aim is to wash off Microorganisms also known as Microbes. What are Microorganisms by the way? They are tiny organisms that cannot be …
© Copyright 2013 – 2020 Zouka Solutions Private Limited
