25 common questions science exhibition judges might ask with the answers
Here are 25 common questions judges might ask along with simple and easy ways to answer them: https://www.youtube.com/@diypandit
Class 9 / Grade 9
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
how to connect 2 dc motors with single battery – science project – diy – diypandit | DIY pandit
Connecting two DC motors to a single battery is a straightforward task. Here’s how to do it, with both motors running simultaneously from the same power source: Materials Needed: Step by Step Video Instructions: 1. Prepare the Components: 2. Wiring in Parallel: 3. Connect the Positive Terminals: 4. Connect the Negative Terminals: 5. Secure the … Read more
how to make periscope working model using cardboard and mirrors – science project for exhibition | DIY pandit
This model demonstrates the principles of light reflection and how periscopes are used to see over or around obstacles. Enjoy your hands-on science project! Creating a working model of a periscope using cardboard and mirrors is a fun and educational project. Here’s a step-by-step guide: Materials Needed: Step by Step Video Instructions: https://www.youtube.com/@diypandit
how to make working model of a water wheel science project
Creating a working model of a water wheel using a plastic bottle, plastic tray, spoons, and chopsticks is a great project to demonstrate the conversion of kinetic energy from flowing water into mechanical energy. Here’s a step-by-step guide on how to build it: Materials Needed: Step by Step Video Instructions on water wheel working model: … Read more
how to make working model of photosynthesis for science exhibition
Creating a working model of photosynthesis for a science exhibition using cardboard, an LED bulb cover as the Sun, a plastic tray to hold a live plant, and paper clouds is a fantastic idea. Here’s a step-by-step guide to help you build this model: Materials Needed: Step-by-Step Instructions: Step 1: Prepare the Base and Backdrop … Read more
how to make solar eclipse and lunar eclipse working model science project for exhibition – diy with detailed explanation
Creating a working model to demonstrate solar and lunar eclipses using three balls (representing the Earth, Sun, and Moon), DC motors, a 9V battery, and cardboard is a great way to visualize these astronomical phenomena. Here’s a step-by-step guide to help you build this model: Materials Needed: Step-by-Step Instructions: Step 1: Prepare the Balls Step … Read more
how to make maths working model on polynomials types – tlm – simple and easy steps | craftpiller
Creating a rotating model to demonstrate different types of polynomials using an octagonal (8-faced) polygon is an excellent way to visually and interactively teach mathematical concepts. Here’s a step-by-step guide to help you build this working model: Materials Needed: Step-by-Step Instructions: Step 1: Create the Octagonal Base Step 2: Prepare the Polynomial Graphs Step 3: … Read more
how to make basic functions types graphing working model – maths tlm – diy – craftpiller
Creating a rotating model that visually represents different types of basic mathematical functions can be a great hands-on teaching and learning material (TLM). Here’s a step-by-step guide to help you build a graphing model inspired by a merry-go-round concept: Materials Needed: Step-by-Step Instructions: Step 1: Create the Base Structure Step 2: Prepare the Graphs Step … Read more
how to make solar distillation (water purification) working model – science project – award winning | howtofunda
This model will demonstrate the principles of solar distillation. The Solar Sun light heats the water in the tank, causing it to evaporate. The water vapor then condenses on the transparent sheet and flows down into the collection tray, simulating the natural water cycle driven by solar energy. Creating a solar distillation model using cardboard, … Read more
earthquake alarm working model project explanation in english
This simple earthquake alarm demonstrates how basic principles of physics and electricity can be applied to create a practical device for detecting seismic activity. Earthquake Alarm working model explanation How Earthquake Alarm Works? https://www.youtube.com/@diypandit
Smoke Absorber Science Project: Working Principle Explanation
To explain the working principle of a smoke absorber built using cardboard, a DC motor, and a filter. This smoke absorber demonstrates basic principles of air filtration, showing how fans and filters can work together to improve air quality. By understanding these principles, we see how simple devices can address environmental issues. Working Principle: Summary: … Read more
how to make projector working model school science project for exhibition
A simple mobile projector using a cardboard box, convex lens, and mobile phone works by utilizing the lens to focus light from the phone’s screen, projecting an enlarged image onto a surface. By adjusting the distance between the phone and the lens and ensuring a dark environment, this model effectively demonstrates basic principles of optics … Read more
how to make light refraction science working model experiment – using lens
This experiment demonstrates the principle of refraction using a convex lens. A convex lens converges light rays passing through it, forming a real, inverted image on the opposite side. By adjusting the distances between the candle, lens, and screen, you can observe changes in the image, illustrating how lenses are used in various optical devices … Read more
how to make science working model of a merry-go-round
The purpose of creating a merry-go-round working model is to demonstrate principles of rotational motion, mechanical engineering, and simple electrical circuits. This project helps students understand how a basic motor can convert electrical energy into mechanical energy to produce rotational movement. Creating a working model of a merry-go-round using cardboard, a DC motor, a switch, … Read more
how to make human digestive system working model – science project for exhibition biology project | craftpiller
This project demonstrates the human digestive system by using simple materials to mimic each stage of the process. It highlights how food is broken down mechanically and chemically, how nutrients are absorbed, and how waste is formed and expelled. By understanding each component’s function and the overall system’s operation, students can gain a clearer understanding … Read more