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
The human heart is a remarkable organ responsible for pumping blood throughout the body, delivering oxygen and nutrients to cells and removing waste products. Here’s how the human heart works: 1. Blood Circulation: The heart operates as a pump in a closed circulatory system, consisting of two main pathways: the pulmonary circulation and the systemic … Read more
A sand and gravel filter, also known as a multimedia filter, is an effective method of water purification that uses different layers of materials to remove impurities from water. Here’s how it works: 1. Coarse Gravel Layer: At the bottom of the filter, there is a layer of coarse gravel. This layer serves as the … Read more
Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy from the sun into chemical energy in the form of glucose (sugar) and oxygen. This process plays a fundamental role in maintaining life on Earth by producing oxygen and serving as the basis of the food chain. Here’s an overview … Read more
Electrical conductivity in water refers to its ability to conduct an electric current. The presence of dissolved ions, such as salts, minerals, and other charged particles, allows water to conduct electricity. When salt is added to water, it increases the concentration of ions, leading to higher electrical conductivity. Here’s how electrical conductivity in water with … Read more
The phases of the moon refer to the different illuminated portions of the moon as observed from Earth during its orbit around our planet. The moon goes through a cycle of eight primary phases, which repeat approximately every 29.5 days. Here are the phases of the moon: 1. New Moon: During the new moon phase, … Read more