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
1. What is a dam? 2. What is the primary purpose of a dam? 3. How is a dam different from a reservoir? 4. What are the types of dams based on construction material? 5. How do gravity dams work? 6. What is the purpose of spillways in dams? 7. How does a dam contribute … Read more
1. What is an escalator? 2. Who invented the escalator? 3. How does an escalator work? 4. What powers an escalator? 5. What are the safety features of escalators? 6. How is the direction of an escalator determined? 7. What is the purpose of the comb plate at the entrance of an escalator? 8. Can … Read more
1. What is a wind turbine? 2. How does a wind turbine work? 3. What is the purpose of the tower in a wind turbine? 4. What is the difference between a horizontal-axis and a vertical-axis wind turbine? 5. Why are wind turbines often placed in windy locations? 6. What is the purpose of the … Read more
1. What is the function of the heart? 2. How many chambers does the human heart have? 3. What is the purpose of the heart valves? 4. What is the pacemaker of the heart? 5. What is a heart attack? 6. What is the role of arteries in the circulatory system? 7. How do veins … Read more
1. What is hemodialysis? 2. Why is hemodialysis necessary? 3. What is the role of an artificial kidney in hemodialysis? 4. How does an artificial kidney work? 5. What is the dialysate in hemodialysis? 6. How often is hemodialysis typically performed? 7. What are the common conditions that necessitate hemodialysis? 8. What are the potential … Read more
Hemodialysis and Artificial Kidney Introduction: Hemodialysis: Hemodialysis is a medical procedure used to remove waste products and excess fluids from the blood when the kidneys are unable to perform these functions adequately. This therapy is crucial for individuals with kidney failure or impaired kidney function. Hemodialysis helps maintain a balance of electrolytes and fluid in … Read more
1. What is acid rain? 2. What are the main sources of sulfur dioxide and nitrogen oxides causing acid rain? 3. How does acid rain form? 4. What is the pH range of acid rain? 5. How does acid rain affect aquatic ecosystems? 6. What impact does acid rain have on soil? 7. How does … Read more
1. Definition: 2. Causes: 3. pH Levels: 4. Components: 5. Impact on the Environment: 6. Sources of Pollution: 7. Geographical Distribution: 8. Human Health Impact: 9. Mitigation Strategies: In summary, while normal rain is a vital component of the Earth’s natural processes, acid rain is a result of human-induced pollutants, causing harmful effects on the … Read more
What is Acid Rain? Acid rain is a type of precipitation, such as rain, snow, or fog, that contains elevated levels of acidic components. This phenomenon results from the release of sulfur dioxide (SO₂) and nitrogen oxides (NOₓ) into the atmosphere, primarily from human activities like burning fossil fuels and industrial processes. Causes of Acid … Read more
Let’s imagine our kidneys as hardworking little workers in our body, doing an essential job that keeps us healthy and lively. Think of your kidneys as the water filters. Every day, they work tirelessly to clean and filter the blood in our bodies, just like the well filters out impurities from water. This cleaning process … Read more
Trigonometric identities are mathematical equations that involve trigonometric functions. These identities are true for all possible values of the variables within their respective domains. Understanding and utilizing these identities are essential in solving trigonometric equations and simplifying expressions in trigonometry. working model for trigonometric identities making Creating a working model for trigonometric identities using cardboard … Read more
Algebraic expressions are mathematical phrases that include numbers, variables, and operations (such as addition, subtraction, multiplication, and division). These expressions can represent relationships, quantities, or operations in a concise and symbolic manner. Understanding algebraic expressions is fundamental in algebra and provides a powerful tool for solving problems and expressing mathematical relationships. Working model for algebraic … Read more
2D Polygon Shapes Introduction: In geometry, a polygon is a two-dimensional (2D) closed figure formed by straight line segments. The sides of a polygon do not cross each other, and each side intersects exactly two others. The common types of 2D polygons include: Working model for a math project involving 2D and 3D polygon shapes … Read more
Climate Change Introduction: Climate change refers to long-term changes in the average weather patterns that have come to define Earth’s climate. It involves shifts in temperature, precipitation, and other atmospheric conditions over extended periods, ranging from decades to millions of years. Key Aspects of Climate Change: saving the Earth from global warming and climate change … Read more
Creating a math park model featuring various theorems can be a fantastic way to make abstract mathematical concepts more tangible and enjoyable. Below is a guide to help you create a basic math park model using cardboard and color papers, focusing on theorems: Materials Required: Math’s Theorems to Include: Video step by step Instructions on … Read more