How do you tell if something is hot or cold? By the sense of touch! Touching a hot pan will let you know that the pan is hot, and holding an ice-cream will let you know that it is cold. In this chapter, we will run through the science of HEAT. How do we measure …
Don’t some questions leave your mind baffled? Why does lime juice taste sour and not sweet? Why does soap powder give out bubbles? Do you know that the mixture of lime juice and soap water produces salt and water? In this chapter, we take you through the definitions of Acids and Bases. Here, you will …
Everything that is present our environment goes through some kind of a change. Some changes are permanent, while some are temporary. For example – Water when freezes below 0° C, changes to ice, but turns back to water when heated. This change is temporary and physical. On the other hand, an iron rod when exposed …
We ought to carry an umbrella on a cloudy day. And we surely cannot leave the warmers behind, during the winters. Ever wondered what causes the changes in the environment? Moreover, why do we have different climate conditions on the Earth? Well, the primary reason for these changes is the – “Sun”. Also, do the …
The world is a mysterious place, and within it moves the Air. It passes through every corner of the world. It is the most important thing that humans need to exists. In this chapter, we will uncover some hidden facts about the Wind and the Air. We will find answers to what creates the cyclones, …
Who does not love the earthy fragrance of soil after the first rain? Soil is an inseparable part of our life. Wondering why is that so? Well, that’s because the soil is extremely crucial for plants, and undoubtedly plants are important for us. Have you ever compared the soil of different plants? Is it the …
What is respiration? Respiration is inhaling oxygen and giving out carbon dioxide. Correct? If you think that this answer is the correct definition of respiration, then you need to learn this chapter. Because, in this chapter we break down the concept of respiration, providing you with a perfect definition, enabling you to learn easily. So …
I’m red, but not a strawberry. I have different types, but I’m not an apple. I can be pumped, but I’m not a bicycle tire. I can be donated, but I’m not money. I contain cells, but I’m not a jail. I’m in your body, but I’m not your heart. What am I? To know …
All organisms increase their numbers by adding new individuals in their population. The process of giving birth to same species of living organisms is called “Reproduction”. Ever wondered how plants reproduce? Or what methods do they adopt for reproduction? Well, plants reproduce by several methods. They can be asexual as well as sexual. To our …
Athletes work very hard to win a race. But can you tell me the basic criterion for winning a race? It is the speed of an athlete. More the speed, more is the chances of winning. So speed is an important factor. But what is speed? Or how is it calculated? Does it show dependency …
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