In this category, we add all the diy school project models for secondary school students (Class 8 / Grade8).
Wwhere students can do themselves step by step for their school exhibition or fair
Introduction: Air pressure, also known as atmospheric pressure is the weight of the molecules pressing on the surface of the earth. It is measured in barometric units. Barometers have a chemical called mercury within them. This chemical helps to read the atmospheric pressure in a room, or in an enclosed place. It is also the … Read more
Introduction: Water that comes into our taps from the tank is usually cold because it is groundwater. During cold weather conditions, it becomes difficult to use the normal water running through the tap. That’s when hot water requirement comes into the picture. This need has been satisfied by the invention of water heaters. Water heater … Read more
Introduction: Hibiscus is a flowering plant that growing under tropical and sub-tropical weather conditions. There are nearly hundreds of species of the plant. The hibiscus tree can grow up to 20-30 feet but the flowers are 4 inch wide. They have a beautiful structure and can grow up to 4inch length. Hibiscus flowers are sometimes … Read more
Introduction: Windmill turbine generally called as wind turbine is a machine that is used to convert energy in the wind into electricity. The windmill turbine has blades that rotate for a certain number of revolutions depending on the technology. They rotate at a constant or variable velocity according to the velocity of wind in order … Read more
Introduction: Swachh Bharat mission also known as Swachh Bharat Abhiyan is a campaign in India that has been started by the Prime Minister Narendra Modi. The time that has been set for this campaign is 2014 – 2019 as a mission to clean the streets, roads and infrastructure of India’s towns, cities and rural areas. … Read more
Introduction: Traffic signals and street lights are very crucial to the safety of the pedestrians and vehicles. For this to be done successfully, it is very important that the traffic signals and lights are functional and efficient all the time. Street lights can be used to ensure safety in the urban areas by making sure … Read more
Introduction: The respiratory system includes nose, pharynx, larynx, trachea, bronchi and lungs. Lungs are the pair of organs that look like air filled balloons located on either side of the chest. Lungs are responsible for pumping the oxygen into the blood through the process of respiration. In this process, air is breathed through the mouth, … Read more
Introduction: Water pollution is defined as the contamination of the sources of water due to various pollutants, human activities. Water pollution is serious health hazard that threatens the human life because it is the most important source of functioning in the human body. The sources of water that get effected due to water pollution are … Read more
Introduction Imagine humans and animals stay alive through food and water. Similarly, plants also need food and water to stay alive. This process where the plants survive is called as photosynthesis. Plants breathe carbon dioxide from the air and release oxygen back into the air. They also use the sunlight and water to carry out … Read more
Introduction The greenhouse effect is the process in which the gases in the atmosphere of the earth trap the heat from the sunlight and release more heat and radiation on to the earth. The important greenhouse gases are: Thus increasing the temperatures on the earth. In simple terms, it is the process that warms up … Read more
Introduction In simple terms, global warming definition is nothing but an increase in the temperature of the earth’s climate system is called global warming. Earth is made up of the oceans, land, air, plants, and animals. The energy coming from the Sun affects each other. There are dependencies between these places. If something changes in … Read more
Introduction Water is the most vital natural resource for life to exist on earth. The main sources of water are ground water, surface water and rain water. Ground water is the water found underground below the soil or in the soil itself. Examples of ground water include wells and bore wells. Ground water contributes to … Read more
Introduction Noise is measured in Db (decibels) for the normal human ears any sound levels less than 70 Db are less damaging to the living organisms. If any sound goes beyond the 70dB then it needs to treat as noise pollutions due to impacts the living beings as well adverse effect in humans and animals. … Read more
Introduction In this post, we all talk about how to make the rainwater harvesting working model for your school exhibition or science fair/exhibition very easily at home completely free. First let us understand what is rainwater harvesting, Rainwater harvesting is the process in collecting the rain water mostly in the house/office/any building roof in the … Read more
Introduction Acid Rain Model is used to showcase how the normal rain forms into acidic rain due to the vehicle and factory pollutions that emit sulphur dioxide and nitrogen oxide, that get added with water molecules in atmosphere to produce acid rains. In this topic, we are going to show you how to make the … Read more