Water can be converted into ice by freezing it and ice can be again converted into water by melting. This is a simple example of Reversible change. And what about the Irreversible one? What if we burn a piece of paper? Can we get the paper, back from the ash? Definitely not! In this chapter, …
Why a Tomato plant is called a Herb, a Lemon plant called a Shrub and a Mango plant called a Tree? Confused! Don’t worry. These plants are categorized based on their lengths. Herb is the smallest, followed by a comparatively bigger Shrub, followed by a Tree which is the biggest. Plants are also categorized based …
Have you ever wondered why is the Human body shaped like what we see it? A system of 206 bones, hiding behind the skin, helps every human to walk, run, eat, and do many other different activities in his day to day life. These bones are categorized under different types and different joints. In this …
Have you ever seen a Camel in the cold polar region or a Penguin in the hot desert? Of course not! These animals can survive only in their defined surroundings known as Habitat. There are many different types of habitats such as deserts, mountains, aquatic and many more. But habitats change due to various reasons. …
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 …
Have you ever tried to pass light through a solid wooden object? We know you did, but did you notice the SCIENCE in it? No light can pass through a solid wooden material, but it does form a shadow on the ground. When an opaque object comes in between the travelling light rays, the rays …
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