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Science Exhibition Working Models Ideas for Class 12

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Science Exhibition Working Models Ideas for Class 12

Discover 100 curated project ideas across 10 subject streams. Each idea is designed to help students win at school, district, and national science fairs.

📋 100 Projects
🏆 Competition Ready
📚 10 Streams

Physics Working Models

10 Projects

# Project Idea Explore
1 Working model of a nuclear reactor showing fission chain reaction with ping-pong balls View →
2 Demonstration of electromagnetic induction: AC generator with voltmeter display View →
3 Working Tesla coil lighting fluorescent tubes wirelessly at a distance View →
4 Demonstration of quantum tunneling using a microwave tunnel diode circuit View →
5 Working model of a holographic display using a pyramid of transparent film View →
6 Demonstration of superconductivity using a neodymium magnet levitating on liquid nitrogen View →
7 Working Van de Graaff generator demonstrating static electricity at 100,000V View →
8 Demonstration of plasma using a microwave plasma reactor with noble gases View →
9 Working demonstration of the photoelectric effect with UV lamp and galvanometer View →
10 Animated model showing the structure of an atom and electron energy levels View →

Also Read : Science Fair Project Ideas PDF

Chemistry Working Models

10 Projects

# Project Idea Explore
1 Working model of a hydrogen fuel cell producing electricity from H2 and O2 View →
2 Demonstration of chemiluminescence with a glowing luminol reaction in a cylinder View →
3 Working model of an electrolysis plant for producing chlorine and NaOH View →
4 Demonstration of the Briggs-Rauscher oscillating color-change reaction View →
5 Working model of a fractional distillation column separating colored alcohol mixtures View →
6 Demonstration of photocatalysis: titanium dioxide degrading a dye under UV light View →
7 Working model of a nitrogen cycle bioreactor with embedded LED indicators View →
8 Demonstration of synthesis and combustion of acetylene from calcium carbide View →
9 Working electroplating cell with real-time plating thickness measurement View →
10 Animated model showing the mechanism of an SN2 organic reaction with 3D molecules View →

Biology Working Models

10 Projects

# Project Idea Explore
1 Working model of the human heart with peristaltic pump and colored fluid chambers View →
2 Demonstration of cellular respiration using CO2 and O2 gas sensors View →
3 Working model of the nervous system with battery-powered reflex arc demonstration View →
4 Demonstration of enzyme kinetics with real-time colorimetric measurement View →
5 Working model of the kidney nephron using tubing and selective filter paper View →
6 Demonstration of gel electrophoresis separating food dye mixture bands View →
7 Working model of the eye showing image inversion and accommodation View →
8 Demonstration of ATP synthesis using a chemiosmosis model with water pressure View →
9 Working model of a bioreactor producing probiotics from milk View →
10 Animated model of chromosome crossing over during meiosis I View →

Electronics & Electrical

10 Projects

# Project Idea Explore
1 Working smart home automation system using Arduino and phone control View →
2 Demonstration of a solar-powered inverter charging a battery and running a load View →
3 Working pulse oximeter displaying SpO2 and heart rate on OLED screen View →
4 Demonstration of RFID-based access control system with attendance logging View →
5 Working model of a three-phase AC power generator with oscilloscope display View →
6 Demonstration of a PID-controlled temperature regulation system View →
7 Working electronic stethoscope amplifying heart and lung sounds View →
8 Demonstration of a class-D audio amplifier with filter and THD measurement View →
9 Working model of an adaptive cruise control system using ultrasonic sensors View →
10 Demonstration of BLDC motor control using field-oriented control algorithm View →

Renewable Energy Models

10 Projects

# Project Idea Explore
1 Working solar tracking system that follows a lamp and maximizes panel output View →
2 Demonstration of a small wind farm with three vertical axis turbines connected View →
3 Working piezoelectric floor tile generating electricity from foot pressure View →
4 Demonstration of a thermoelectric generator converting heat difference to power View →
5 Working model of a biogas digester with flame-lit methane output View →
6 Demonstration of a hybrid solar-wind system with automatic load switching View →
7 Working tidal energy model using wave tank and oscillating water column turbine View →
8 Demonstration of salinity gradient power using osmotic pressure across membranes View →
9 Working model of a geothermal heat pump with heat exchange demonstration View →
10 Demonstration of concentrated solar power using a Fresnel lens melting solder View →

Robotics & AI

10 Projects

# Project Idea Explore
1 Working line-following robot with PID control and real-time speed display View →
2 Demonstration of computer vision object sorter separating colored cubes View →
3 Working quadruped walking robot with inverse kinematics gait control View →
4 Demonstration of a voice-controlled robotic arm using NLP commands View →
5 Working underwater ROV with live camera feed and propulsion control View →
6 Demonstration of a swarm of three robots building a structure cooperatively View →
7 Working agricultural drone prototype with GPS waypoint and seed dispenser View →
8 Demonstration of real-time face recognition and access logging system View →
9 Working robotic exoskeleton finger with EMG control and force measurement View →
10 Demonstration of reinforcement learning agent optimizing maze navigation live View →

Environmental Science Models

10 Projects

# Project Idea Explore
1 Working model of acid rain effects with pH indicator tiles turning red View →
2 Demonstration of a working constructed wetland treating muddy wastewater View →
3 Working model of a smart composting bin with temperature and methane sensors View →
4 Demonstration of carbon capture by algae in a photobioreactor View →
5 Working model of a solar still producing drinking water from saline water View →
6 Demonstration of microplastic filtration using electrocoagulation View →
7 Working model of an urban heat island with thermometers at different surfaces View →
8 Demonstration of soil erosion control using vetiver grass root system View →
9 Working model of a grey water recycling and reuse system for a household View →
10 Demonstration of eutrophication in a tank with algal bloom development View →

Medical & Biomedical

10 Projects

# Project Idea Explore
1 Working portable ECG monitor displaying heart waveforms on a mobile app View →
2 Demonstration of CRISPR gene editing concept using a paper-cut model with LEDs View →
3 Working blood glucose model showing enzyme-based colorimetric detection View →
4 Demonstration of drug delivery from a hydrogel: pH-triggered dye release View →
5 Working model of a dialysis machine with semi-permeable tubing View →
6 Demonstration of a 3D-bioprinted tissue scaffold under a stereo microscope View →
7 Working UV spectrophotometer measuring the absorbance of solutions View →
8 Demonstration of antibiotic sensitivity testing using disc diffusion on agar View →
9 Working wearable EEG headset showing brainwave data on a screen View →
10 Demonstration of an artificial pancreas model with glucose-insulin feedback loop View →

Computer Science & AI Models

10 Projects

# Project Idea Explore
1 Working demonstration of a convolutional neural network classifying images live View →
2 Demonstration of RSA encryption and decryption with real-time key generation View →
3 Working natural language chatbot deployed on Raspberry Pi with screen View →
4 Demonstration of blockchain ledger with live transaction validation View →
5 Working demonstration of genetic algorithm optimizing a route planning problem View →
6 Demonstration of quantum computing simulation running Grover’s search View →
7 Working network intrusion detection system flagging anomalous traffic live View →
8 Demonstration of a generative adversarial network creating new digit images View →
9 Working recommendation engine suggesting products based on user history View →
10 Demonstration of federated learning training a model across three devices View →

Interdisciplinary Innovations

10 Projects

# Project Idea Explore
1 Working smart greenhouse with sensors, actuators, and AI crop management View →
2 Demonstration of a brain-controlled LED using EEG and meditation metric View →
3 Working autonomous pollution monitoring boat sampling water quality View →
4 Demonstration of a bio-inspired wing morphing mechanism using shape-memory alloy View →
5 Working model of an artificial leaf producing hydrogen fuel from sunlight View →
6 Demonstration of a zero-energy building model with passive design features View →
7 Working precision fermentation model growing yeast to produce insulin protein View →
8 Demonstration of augmented reality educational system for human anatomy View →
9 Working neuromorphic chip prototype computing with spiking neurons View →
10 Demonstration of a self-healing polymer that repairs its own cracks with heat View →

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