In this category, we add all the diy school project models for secondary school students,(Class 9 / Grade 9).
Where students can do themselves step by step for their school exhibition or fair
INTRODUCTION In this topic, we are going to show you how to build a powerful alarm with a dc motor with information for your science project or exhibitions. DC motor is a device which is helpful in converting direct current into mechanical work. DC motor Working Principle Lorentz Law states that the current carrying conductor, … Read more
INTRODUCTION In this topic, we are going to show you how to build an Atom model for your science project or exhibitions using waste materials available at home Rutherford–Bohr model depicts a dense nucleus surrounded by revolving electrons which look similar to our solar system and here attraction between electrons is due to electrostatic forces … Read more
INTRODUCTION In this topic, we are going to show you how to build a Door alarm or theft alarm working model for your science project or exhibitions. A system which is used to detect unauthorized entry, intrusion into a building is called a security alarm. Benefits of Door Alarms It is used in various places … Read more
Introduction of earthquake alarm In this topic, we are going to show you how to build an earthquake detector working model for your science project or exhibitions. An instrument used to detect and measure motions of ground due to seismic waves coming from earthquake or volcanic eruption or a powerful explosion is called seismometer or … Read more
INTRODUCTION In this topic, we are going to show you how to build a step farming model for your science project or exhibitions. What is a terrace or step farming A type of farming which consists of different steps which are known as terraces or step is built on slopes of hills and mountains. Advantages … Read more