Work Force and Energy for Class 5 A work is said to be done when we use force to push or pull objects around us. Now, to do this work we need certain amount of energy. Without energy we cannot do any work. Thus, work, force and energy are all inter-related to each other. In …
Hello students, welcome to this chapter – Sound and Noise for Class 5. In this chapter we would learn about different types of sounds that we hear or experience every day in our life. We hear different sound through out the day. Have you observed that from the moment we wake up in the morning …
Machines makes our work easier. There are many tasks which need a lot of time and effort to do them. There are also many tasks that we cannot do ourselves. To do such tasks we use machines. Machines makes our work a lot easier and takes less time. What are Simple Machine? Machines can be …
Food is important for all living things. Food contains essential nutrients which are important for proper growth and development of our body. In this chapter we will learn about eating balanced diet containing all essential nutrients. What are nutrients? Different Types of Food The food that we eat contains five nutrients. They are carbohydrates, proteins, …