Creating a drainage cleaner working model can be an innovative way to show how we can clear blockages in drainage systems and prevent waterlogging or flooding. This model will demonstrate how to remove debris from a drainage system using simple mechanical and filtration techniques. Below is a step-by-step guide for building a simple drainage cleaner … Read more
Creating a wastewater treatment working model for a science project exhibition is a great way to demonstrate the basic principles of water purification. The model can simulate the process of filtering and treating wastewater to make it clean and reusable. Here’s a step-by-step guide to building a simple water purification model: Materials Needed: Video Steps … Read more
Creating a highway vertical turbine working model using cardboard and a DC motor as a generator is a fun and educational project. The idea is to use the wind generated by vehicles moving on a highway to turn a vertical-axis wind turbine (VAWT), which in turn drives the DC motor to generate electricity. Here’s a … Read more
Using syringes to model the human heart is an effective way to demonstrate how the heart functions. Here are some likely questions you might encounter at a science exhibition, along with detailed answers: 1. How does your model represent the human heart? Answer: My model uses syringes to represent the chambers of the heart and … Read more
When presenting a blood circulatory system working model at a science exhibition, you’ll likely face various questions from visitors. Here are some common questions along with their answers to help you effectively explain your model: 1. How does the heart pump blood through the circulatory system? Answer: The heart pumps blood through two main circuits: … Read more
Creating a working model of the human blood circulatory system with LED lights can be an engaging way to visualize how blood flows through the body. The LED lights can represent oxygenated (bright red LED) and deoxygenated blood (blue LED), and a simple pump can simulate the heart pumping blood. Materials Needed: Video Steps to … Read more
Creating a water fountain working model using a DC water pump motor, a plastic bottle, and a plastic tray can be a fun and educational project. Below are the materials you’ll need and the step-by-step instructions for building it. Materials Needed: Video Steps: 1. Prepare the Water Reservoir (Plastic Bottle) 2. Set Up the Plastic … Read more
To make a working model of a Vertical Axis Wind Turbine (VAWT) using cardboard pipes, a DC generator motor, and an LED light, follow these steps: Materials Needed: Video Steps: 1. Design the Blades 2. Assemble the Rotor 3. Build the Turbine Shaft 4. Mount the Shaft and Motor 5. Wiring the LED Light 6. … Read more
A hydraulic lifting fan working model is a simple and creative way to demonstrate how hydraulics can be used to lift a fan, and how a DC motor powers the fan. Here’s a step-by-step guide to build this model using 2 syringes, 1 DC motor, a fan blade, a 9V battery, and a switch. Materials … Read more
Building a traffic light working model using three different color LED lights, a 9V battery, and three switches is a great way to demonstrate the traffic light working principle. Here’s a step-by-step guide to create this model: Materials Needed: Video Steps to Build the Model 1. Prepare the Base: 2. Mount the LEDs: 3. Wiring … Read more
To build a barrier gate working model using a robo motor, car toy big wheel, paper straw (as the gate), and a 9V battery, follow these step-by-step instructions. This model demonstrates how barrier gates work, using basic materials and a DC motor to simulate the lifting and lowering of road gates at crossings or parking … Read more
A regenerative energy working model using two DC motors, a 9V battery, a switch, and toy car wheels can demonstrate how mechanical energy is converted into electrical energy and then reused. This model gives a practical demonstration of regenerative energy by recycling some of the energy from a mechanical system into electrical energy! Here’s how … Read more
A hydraulic lift working model using a syringe and cardboard is a fun and simple project to demonstrate the principles of hydraulics. The hydraulic lift model works on Pascal’s Law, which states that pressure applied to a fluid is transmitted equally in all directions. When you push the plunger of one syringe, it creates pressure … Read more
Creating a water tank overflow alarm working model using a water sensor is a simple and effective project to demonstrate how technology can prevent water wastage. The project will detect when the water in the tank reaches a certain level and trigger an alarm to notify that the tank is full. Here’s a step-by-step guide … Read more
An automatic rain detector and cloth collecting working model is a fascinating project that combines basic electronics and mechanical engineering. This model detects rain and triggers a mechanism to retract or cover clothes to prevent them from getting wet. Here’s how you can build this project: Materials Needed: Electronics: Mechanical Parts: Video Step-by-Step Guide to … Read more