sowmya 
A computer flowchart is a diagrammatic representation of a process or algorithm using symbols and arrows to show the flow of control. It is used in programming and system design to visually map out logical steps in solving a problem. This working model will visually represent a computer flowchart with LED lights and switches, allowing … Read more
Introduction This working model demonstrates how solar and wind energy can be used to power a house, a street light, and a windmill, promoting the use of renewable energy for a sustainable future. It highlights the practical applications of solar panels and wind turbines in daily life. Materials Required Model Setup Key Learning Points: https://www.youtube.com/@howtofunda
Introduction This working model demonstrates how solar and wind energy can power two houses, showcasing the importance of renewable energy sources in reducing dependence on fossil fuels. It highlights the practical use of solar panels and wind turbines to generate electricity. Materials Required Model Setup Key Learning Points: https://www.youtube.com/@howtofunda
Concept This working model demonstrates how solar and lunar eclipses occur using a circular base, with Earth on top, the Moon moving around it, and the Sun positioned next to the base. It helps visualize how the alignment of the Sun, Earth, and Moon creates eclipses. Materials Required Model Setup Key Learning Points: https://www.youtube.com/@howtofunda
Introduction A hydraulic lift is a simple yet powerful machine that uses the principles of Pascal’s Law to lift heavy objects using fluid pressure. This working model demonstrates how hydraulic systems are used in real-world applications such as elevators, car lifts, construction equipment, and industrial machinery. Materials Required How It Works Applications of Hydraulic Lifts: … Read more
Water is one of the most essential natural resources for life on Earth, yet its availability is becoming scarce due to pollution and wastage. To address this issue, rainwater harvesting and water purification play a crucial role in conserving and utilizing water efficiently. Our working model demonstrates how rainwater can be collected from rooftops, stored, … Read more
Creating a Waste Management and Recycling Techniques Working Model with an Eco-Friendly Approach that includes waste segregation, tar road construction using dry waste, organic farming using compost, and biogas (gobar gas) production using wet waste will be an excellent and educational project! Model Concept: This model will showcase: Materials Required: For Waste Segregation: For Tar … Read more
Creating a 3D Day and Night Working Model for a science project exhibition can be both educational and interactive. Your model can show how Earth’s rotation causes day and night in different time zones, such as India (IST) and the USA (multiple time zones like EST, CST, MST, and PST). Materials Required: Steps to Build: … Read more
Organic farming, also known as natural farming, is a sustainable agricultural method that relies on natural inputs rather than chemical fertilizers and pesticides. It focuses on improving soil health, maintaining biodiversity, and producing chemical-free food. Materials Needed: Step-by-Step Assembly: Demonstration: https://www.youtube.com/@howtofunda
“Best out of waste” projects encourage recycling, upcycling, and reducing environmental impact by transforming discarded items into useful models. These projects are not only eco-friendly but also enhance problem-solving skills, engineering concepts, and scientific understanding. In this guide, we will explore unique working model ideas that can be made using common household waste such as … Read more
Here’s how you can build a solar-powered irrigation working model with a DC water pump, solar panel, water tank, and paper cups for plants. Materials Needed: Solar Panel (6V-9V, 1W-5W) (to power the pump)DC Water Pump (3V-6V) (to lift water to the tank)Plastic Bottle (Water Tank) (for storing water)Paper Cups (to hold plants)Tubes or Straws … Read more
You can build an agriculture working model that combines hydroponics, solar energy, greenhouse farming, and drip irrigation on one base. Materials Needed: Cardboard & Color Paper (for structure and decoration)Plastic Bottles or Small Containers (for hydroponic system)Small Tubes or Straws (for drip irrigation)LED Light or Small Solar Panel (for solar energy simulation)Transparent Plastic Sheet (for … Read more
You can build an earthquake alarm working model with a school building concept, where the alarm is placed in the compound to alert students and people. Materials Needed: Cardboard & Color Paper (for the school building, compound, and landscape)Metal Ball or Pendulum (for vibration detection)Two Metal Strips or Aluminum Foil (to act as contact points)9V … Read more
you can build a river flood alarm working model with a riverside city and village concept, where the alarm activates when the water level rises to a dangerous level. Materials Needed: Cardboard & Color Paper (for city, village, river, and landscape)Plastic Tray or Small Tank (to represent the river)Water (to simulate flooding)Metal Probes (Nails or … Read more
You can build natural disaster alert alarm working models for flood, earthquake, and fire detection using simple components like LEDs, buzzers, and sensors. 1. Flood Alarm Model Concept: The water level rises and completes a circuit to trigger an alarm. Materials Needed: How It Works: 2. Earthquake Alarm Model Concept: A simple pendulum detects vibrations … Read more