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 …
Imagine you are taking a walk, and you see a banana peel lying on the road. You tend to skip it. 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 the Friction …
The tyre of the car bears the entire weight of the car. But is it the tyre that bears the weight? Nope! It is the air in the tyre. Where are we going with this? This scenario is a typical example of the use of the concept of Pressure in our daily lives! There are …
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 …
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 …
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 …
Majority of living beings can’t stay in one place for hours long. Even the laziest person will show slight changes in his position. This change of position indicates that we move from one place to another. This change of position and movement is called – ‘Motion’. Not only all living organisms exhibit motion, but non-living …
How would you know if you are farther or nearer to any object? By measuring the distance between you and the object. It is as simple as that. But before measuring, you must be familiar with all the units of measurement. Units such as centimeters, meters, kilometers help you scale the object. Understanding the applications …
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. …
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