Will a car or bike start without having petrol in it? It is impossible. Petrol is one of the precious resources that we need. Most vehicles in the present times run on this fuel. Petrol is obtained from petroleum, which is extracted from deep insides of the Earth. Another important resource that we find in …
One of the best ways to light a fire is by using a matchstick. What would happen if you keep a matchstick in the open air? Will it start to burn all by itself? No right! But why is this so? Well, all flammable substances have specific ignition temperature. After reaching that point, a substance …
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 …
Take this experiment. Walk towards the electrical switch board in your house. Switch on the light. Now think, how did electricity travel from the switch board to the light bulb? Electricity has changed the ways we work. Everything is dependent on electricity. This lesson is dedicated towards learning electric current and effects. Let’s begin
How do you think we are able to see things? How do our eyes perceive the visual appearance of things? The answer lies in the beautiful concept of “Light”. Sun is a primary source of light. But how does light reach us? And how does it travel from the Sun to the Earth? Watch our …
Does the thought of running out of the water scare you? It is necessary for us to understand the importance of water. Water is the primary source of energy for all living organisms. Without water, no living organism can survive on this planet. In this chapter, we will learn about how water helps us to …
© Copyright 2013 – 2020 Zouka Solutions Private Limited
