physics models for exhibition
Introduction The Solar System Working Model is an attractive science project that demonstrates the arrangement of the Sun and the eight planets in our solar system. It helps students understand the relative positions of the planets, their names, and how they revolve around the Sun. The glowing Sun and LED stars make the model visually … Read more
ತ್ಯಾಜ್ಯದಿಂದ ವಿದ್ಯುತ್ ಉತ್ಪಾದನೆ ಎಂಬುದು ಪರಿಸರ ಸ್ನೇಹಿ ತಂತ್ರಜ್ಞಾನವಾಗಿದೆ. ಮನೆ, ಕಾರ್ಖಾನೆ ಮತ್ತು ಕೃಷಿ ಕ್ಷೇತ್ರಗಳಿಂದ ಹೊರಬರುವ ತ್ಯಾಜ್ಯ ವಸ್ತುಗಳನ್ನು ಬಳಸಿ ವಿದ್ಯುತ್ ಉತ್ಪಾದಿಸುವ ವಿಧಾನವನ್ನು ಈ ಯೋಜನೆ ವಿವರಿಸುತ್ತದೆ. ಇಂದಿನ ದಿನಗಳಲ್ಲಿ ಕಸ ಮತ್ತು ತ್ಯಾಜ್ಯಗಳ ಪ್ರಮಾಣ ಹೆಚ್ಚುತ್ತಿದ್ದು, ಅವುಗಳನ್ನು ಸರಿಯಾಗಿ ನಿರ್ವಹಿಸುವುದು ದೊಡ್ಡ ಸವಾಲಾಗಿದೆ. ಈ ಸಮಸ್ಯೆಗೆ ಪರಿಹಾರವಾಗಿ ತ್ಯಾಜ್ಯವನ್ನು ಇಂಧನವಾಗಿ ಬಳಸಿಕೊಂಡು ವಿದ್ಯುತ್ ಉತ್ಪಾದಿಸುವ ವಿಧಾನ ಬಹಳ ಉಪಯುಕ್ತವಾಗಿದೆ. ಈ ಕಾರ್ಯನಿರ್ವಹಣಾ ಮಾದರಿ ವಿಜ್ಞಾನ ಪ್ರದರ್ಶನಕ್ಕೆ ಅತ್ಯುತ್ತಮ ಯೋಜನೆಯಾಗಿದೆ. ಯೋಜನೆಯ ಉದ್ದೇಶ ಈ … Read more
An anemometer is a scientific instrument used to measure wind speed. It is commonly used in weather stations, airports, ships, and environmental studies. This anemometer working model is a simple DIY science project made using paper cups, straws, and cardboard. It is an excellent project for school science exhibitions because it demonstrates how wind energy … Read more
A hydraulic crane is a machine used to lift and move heavy objects using hydraulic pressure. This hydraulic crane working model is a simple DIY science project made using cardboard, syringes, and plastic tubes. It is an excellent project for school science exhibitions because it demonstrates the principle of hydraulics and Pascal’s Law in a … Read more
An earthquake working model is an exciting and educational science project that helps students understand how earthquakes occur and how vibrations affect buildings and structures. This project is simple to make at home using low-cost materials and is perfect for school science exhibitions. The model demonstrates the concept of seismic waves and earthquake-resistant structures in … Read more
Good morning everyone.Today I am going to explain my science exhibition project on “Electric Circuit Working Model.” This is a simple DIY project that demonstrates how electricity flows in a closed circuit to light a bulb. An electric circuit is a path through which electric current flows from a power source to an electrical device … Read more
Good morning everyone.Today I am going to explain my science exhibition project on “Air Cooler Working Model.” This is a simple DIY summer project that demonstrates how an air cooler works using airflow, water, and cooling principles. Air coolers are commonly used during summer to reduce room temperature and provide cool air. This project helps … Read more
Introduction An electric bell is a common device used in schools, offices, and homes to produce a sound signal when activated. It works on the principle of electromagnetism, where electric current creates a magnetic field that attracts a metallic hammer to strike a bell or steel plate. The electric bell is an important example of … Read more
Introduction Brakes are one of the most important safety systems in vehicles. Among different types of braking systems, hydraulic brakes are widely used in cars, bikes, and heavy vehicles because they provide strong and smooth braking. Hydraulic brakes work on the principle of fluid pressure transmission, where force applied at one point is transmitted equally … Read more
Introduction Hydroelectricity is one of the most important and widely used renewable sources of energy. It is produced by converting the energy of flowing or falling water into electrical energy. Hydroelectric power plants generate electricity without producing pollution, making them eco-friendly and sustainable. This Hydroelectricity Working Model is a DIY science exhibition project made using … Read more
Introduction Energy is the capacity to do work. It exists in various forms such as potential energy, kinetic energy, mechanical energy, heat energy, and electrical energy. In nature and in machines, energy continuously changes from one form to another. The Law of Conservation of Energy states that energy can neither be created nor destroyed; it … Read more
Here are 20 questions and answers about hydraulic projects and Pascal’s law, suitable for an science exhibition: Q: What is Pascal’s law? A: Pascal’s law states that any external static pressure applied to a confined, incompressible fluid is transmitted evenly throughout the fluid in all directions without loss. Q: Who formulated Pascal’s law? A: The … Read more
Pascal’s law is applied daily in hydraulic systems, such as in vehicle brakes, where a small force on the brake pedal is transmitted to multiply stopping force at the wheels. Other applications include hydraulic lifts at auto shops, hydraulic jacks for lifting heavy objects, and hydraulic presses used in manufacturing Hydraulic Brakes When you press the … Read more
Concept / Principle: This project works on the principle of photoconductivity — using an LDR (Light Dependent Resistor).The LDR’s resistance decreases when light falls on it and increases in darkness.This change controls a transistor or relay circuit, which automatically turns ON the LED (street light) at night and OFF during the day. Main Concept:LDR senses … Read more
Concept / Principle: This project is based on infrared motion detection — it senses changes in infrared radiation (heat) caused by a moving object like a human body.When motion is detected, it activates an LED light and a buzzer, simulating a security or automatic light system. Scientific Principle: Infrared sensors detect IR radiation emitted by … Read more