A wind vane is a device used to show the direction of the wind. It is commonly seen in weather stations and is an essential tool for meteorologists. A working model of a wind vane is a simple and effective way to demonstrate how this device functions in a science exhibition. Components of the Model … Read more
A hydraulic crane working model demonstrates the principle of hydraulics, which uses fluid pressure to lift and move heavy objects. This simple model, made using cardboard, wheels, a nail, copper wire, and a 9V battery, is perfect for a science exhibition. Components of the Model Working Principle Conclusion This working model effectively shows how hydraulic … Read more
A working model on transport and communication shows how people, goods, and information move from one place to another. It highlights the importance of these systems in connecting the world and making our lives easier. Components of the Model How It Works Conclusion This working model demonstrates how transport and communication are the backbone of … Read more
A climate change working model for a science exhibition helps explain the causes, effects, and solutions for climate change. It visually demonstrates how human activities and natural processes contribute to global warming and its impact on the environment. Components of the Model Working and Explanation The model starts by showing the causes of climate change, … Read more
ಚಂದ್ರಯಾನ-3 ಭಾರತದ ಮೂರನೇ ಚಂದ್ರಯಾನ ಮಿಷನ್ ಆಗಿದ್ದು, ಇದನ್ನು ಇಸ್ರೋ (ಭಾರತೀಯ ಬಾಹ್ಯಾಕಾಶ ಸಂಶೋಧನಾ ಸಂಸ್ಥೆ) ಚಂದ್ರನ ಮೇಲ್ಮೈಯನ್ನು ಅನ್ವೇಷಿಸಲು ಉಡಾಯಿಸಿದೆ. ಶಾಲಾ ವಿಜ್ಞಾನ ಪ್ರದರ್ಶನಕ್ಕಾಗಿ ಚಂದ್ರಯಾನ-3 ರ ಕಾರ್ಯ ಮಾದರಿಯು ಮಿಷನ್ ಹೇಗೆ ಕಾರ್ಯನಿರ್ವಹಿಸುತ್ತದೆ ಎಂಬುದನ್ನು ಸರಳ ಪದಗಳಲ್ಲಿ ವಿವರಿಸಲು ಸಹಾಯ ಮಾಡುತ್ತದೆ. ಘಟಕಗಳು: ಲ್ಯಾಂಡರ್ (ವಿಕ್ರಮ್): ಲ್ಯಾಂಡರ್ ರೋವರ್ ಅನ್ನು ಚಂದ್ರನ ಮೇಲ್ಮೈಗೆ ಸಾಗಿಸುವ ಬಾಹ್ಯಾಕಾಶ ನೌಕೆಯಂತಿದೆ. ಇದರ ಮುಖ್ಯ ಕೆಲಸವೆಂದರೆ ಚಂದ್ರನ ಮೇಲೆ ಅಪ್ಪಳಿಸದೆ ಮೃದುವಾಗಿ ಇಳಿಯುವುದು. ರೋವರ್ (ಪ್ರಜ್ಞಾನ್): ರೋವರ್ ಒಂದು … Read more
Chandrayaan-3 is India’s third lunar mission, launched by the Indian Space Research Organisation (ISRO) with the goal of achieving a soft landing on the Moon and exploring its surface. A working model of Chandrayaan-3 for a science exhibition would demonstrate the key components and working principles of this mission. Components: Lander (Vikram): The lander carries … Read more
An electric bell working model for a science exhibition can be an interesting project to demonstrate the working of an electric circuit, electromagnetism, and mechanical motion. This model typically involves a simple setup with a steel glass, DC motor, 9V battery, nut, and a few additional components. Here’s how the model works: Components: Working Principle: … Read more
An earthquake alarm is a device that detects ground vibrations and alerts people to take safety precautions. This working model uses simple components like sample houses, a DC motor, a 9V battery, and a nut to simulate and detect earthquakes effectively. It is an engaging way to demonstrate disaster management in a science exhibition. Components … Read more
A river flooding alarm is a device that alerts people when water levels rise dangerously high, indicating the risk of flooding. This working model uses simple components like nuts, bolts, a 9V battery, and a buzzer to demonstrate an early warning system. It is set up with a plastic tray to simulate a river and … Read more
A rain alarm is a device that alerts people when it starts raining. This working model demonstrates how a rain alarm works using simple components like metal blades and a 9V battery. It is a practical and educational tool for understanding basic electronics and the concept of conductivity. Components of the Model How It Works … Read more
A fire alarm system is essential for detecting fires and ensuring safety. This working model demonstrates a fire alarm using a tubelight starter and a 9V battery, showcasing a simple yet effective fire detection mechanism for science exhibitions. Components of the Model How It Works Benefits This fire alarm working model is an excellent tool … Read more
An air cooler is a simple and efficient way to cool the air using water or ice. This working model demonstrates how it works, using materials like a cardboard box, a 9V battery, a DC motor, and ice to show the cooling process. Air coolers are eco-friendly and consume less energy compared to air conditioners. … Read more
Air pollution happens when harmful substances like smoke, dust, and gases are released into the air, making it unhealthy for humans, animals, and plants. This working model helps to demonstrate the causes and effects of air pollution and how it can be reduced. Components of the Model How It Works Conclusion This model shows how … Read more
सल्फर डायऑक्साइड (SO₂) आणि नायट्रोजन ऑक्साईड (NOₓ) सारखे हानिकारक वायू वातावरणात सोडले जातात तेव्हा आम्ल पाऊस पडतो. कारखाने, वाहने आणि जीवाश्म इंधन जाळण्याद्वारे उत्सर्जित होणारे हे वायू पाण्याच्या वाफेत मिसळून आम्ल तयार करतात. पाऊस पडतो तेव्हा हे आम्लयुक्त पाणी वनस्पती, माती, इमारती आणि जलसाठ्यांचे नुकसान करते. हे कार्यरत मॉडेल कारखाना, झाडे आणि पाण्याच्या पंपाचा वापर … Read more
அமில மழை என்பது சல்பர் டை ஆக்சைடு (SO₂) மற்றும் நைட்ரஜன் ஆக்சைடுகள் (NOₓ) போன்ற வாயுக்கள் வளிமண்டலத்தில் வெளியிடுவதால் ஏற்படும் ஒரு தீங்கு விளைவிக்கும் சுற்றுச்சூழல் நிகழ்வு ஆகும். தொழிற்சாலைகள், வாகனங்கள் மற்றும் எரியும் புதைபடிவ எரிபொருள்களால் உற்பத்தி செய்யப்படும் இந்த வாயுக்கள் காற்றில் உள்ள நீராவியுடன் கலந்து அமிலங்களை உருவாக்குகின்றன. மழை பெய்யும்போது, இந்த அமில நீர் தரையில் விழுந்து, தாவரங்கள், மண், கட்டிடங்கள் மற்றும் நீர்நிலைகளை சேதப்படுத்துகிறது. இந்த வேலை மாதிரி தொழிற்சாலை, … Read more