{"id":1015,"date":"2026-06-08T12:38:00","date_gmt":"2026-06-08T07:08:00","guid":{"rendered":"https:\/\/1000sciencefairprojects.com\/tech\/?p=1015"},"modified":"2026-06-09T11:52:38","modified_gmt":"2026-06-09T06:22:38","slug":"science-exhibition-working-models-class-12","status":"publish","type":"post","link":"https:\/\/1000sciencefairprojects.com\/tech\/science-exhibition-working-models-class-12\/","title":{"rendered":"Science Exhibition Working Models Ideas for Class 12"},"content":{"rendered":"
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Science Fair Resources<\/span><\/div>\n

Science Exhibition Working Models Ideas for Class 12<\/h1>\n

Discover 100 curated project ideas<\/strong> across 10 subject streams<\/strong>. Each idea is designed to help students win at school, district, and national science fairs.<\/p>\n

\ud83d\udccb 100 Projects<\/span>
\n\ud83c\udfc6 Competition Ready<\/span>
\n\ud83d\udcda 10 Streams<\/span><\/div>\n<\/div>\n
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Quick Navigation by Stream<\/h2>\n
Physics Working Models<\/a>
\nChemistry Working Models<\/a>
\nBiology Working Models<\/a>
\nElectronics & Electrical<\/a>
\nRenewable Energy Models<\/a>
\nRobotics & AI<\/a>
\nEnvironmental Science Models<\/a>
\nMedical & Biomedical<\/a>
\nComputer Science & AI Models<\/a>
\nInterdisciplinary Innovations<\/a><\/div>\n<\/div>\n
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Physics Working Models<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

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#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking model of a nuclear reactor showing fission chain reaction with ping-pong balls<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of electromagnetic induction: AC generator with voltmeter display<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking Tesla coil lighting fluorescent tubes wirelessly at a distance<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of quantum tunneling using a microwave tunnel diode circuit<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking model of a holographic display using a pyramid of transparent film<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of superconductivity using a neodymium magnet levitating on liquid nitrogen<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking Van de Graaff generator demonstrating static electricity at 100,000V<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of plasma using a microwave plasma reactor with noble gases<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking demonstration of the photoelectric effect with UV lamp and galvanometer<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nAnimated model showing the structure of an atom and electron energy levels<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Physics Working Models Projects<\/a>
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Also Read : Science Fair Project Ideas PDF<\/a><\/h4>\n
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Chemistry Working Models<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

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#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking model of a hydrogen fuel cell producing electricity from H2 and O2<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of chemiluminescence with a glowing luminol reaction in a cylinder<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking model of an electrolysis plant for producing chlorine and NaOH<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of the Briggs-Rauscher oscillating color-change reaction<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking model of a fractional distillation column separating colored alcohol mixtures<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of photocatalysis: titanium dioxide degrading a dye under UV light<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking model of a nitrogen cycle bioreactor with embedded LED indicators<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of synthesis and combustion of acetylene from calcium carbide<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking electroplating cell with real-time plating thickness measurement<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nAnimated model showing the mechanism of an SN2 organic reaction with 3D molecules<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Chemistry Working Models Projects<\/a>
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Biology Working Models<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking model of the human heart with peristaltic pump and colored fluid chambers<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of cellular respiration using CO2 and O2 gas sensors<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking model of the nervous system with battery-powered reflex arc demonstration<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of enzyme kinetics with real-time colorimetric measurement<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking model of the kidney nephron using tubing and selective filter paper<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of gel electrophoresis separating food dye mixture bands<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking model of the eye showing image inversion and accommodation<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of ATP synthesis using a chemiosmosis model with water pressure<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking model of a bioreactor producing probiotics from milk<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nAnimated model of chromosome crossing over during meiosis I<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Biology Working Models Projects<\/a>
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Electronics & Electrical<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking smart home automation system using Arduino and phone control<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of a solar-powered inverter charging a battery and running a load<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking pulse oximeter displaying SpO2 and heart rate on OLED screen<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of RFID-based access control system with attendance logging<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking model of a three-phase AC power generator with oscilloscope display<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of a PID-controlled temperature regulation system<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking electronic stethoscope amplifying heart and lung sounds<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of a class-D audio amplifier with filter and THD measurement<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking model of an adaptive cruise control system using ultrasonic sensors<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstration of BLDC motor control using field-oriented control algorithm<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Electronics & Electrical Projects<\/a>
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Renewable Energy Models<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking solar tracking system that follows a lamp and maximizes panel output<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of a small wind farm with three vertical axis turbines connected<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking piezoelectric floor tile generating electricity from foot pressure<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of a thermoelectric generator converting heat difference to power<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking model of a biogas digester with flame-lit methane output<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of a hybrid solar-wind system with automatic load switching<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking tidal energy model using wave tank and oscillating water column turbine<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of salinity gradient power using osmotic pressure across membranes<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking model of a geothermal heat pump with heat exchange demonstration<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstration of concentrated solar power using a Fresnel lens melting solder<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Renewable Energy Models Projects<\/a>
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Robotics & AI<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking line-following robot with PID control and real-time speed display<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of computer vision object sorter separating colored cubes<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking quadruped walking robot with inverse kinematics gait control<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of a voice-controlled robotic arm using NLP commands<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking underwater ROV with live camera feed and propulsion control<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of a swarm of three robots building a structure cooperatively<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking agricultural drone prototype with GPS waypoint and seed dispenser<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of real-time face recognition and access logging system<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking robotic exoskeleton finger with EMG control and force measurement<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstration of reinforcement learning agent optimizing maze navigation live<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Robotics & AI Projects<\/a>
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Environmental Science Models<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking model of acid rain effects with pH indicator tiles turning red<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of a working constructed wetland treating muddy wastewater<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking model of a smart composting bin with temperature and methane sensors<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of carbon capture by algae in a photobioreactor<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking model of a solar still producing drinking water from saline water<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of microplastic filtration using electrocoagulation<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking model of an urban heat island with thermometers at different surfaces<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of soil erosion control using vetiver grass root system<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking model of a grey water recycling and reuse system for a household<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstration of eutrophication in a tank with algal bloom development<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Environmental Science Models Projects<\/a>
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Medical & Biomedical<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

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#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking portable ECG monitor displaying heart waveforms on a mobile app<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of CRISPR gene editing concept using a paper-cut model with LEDs<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking blood glucose model showing enzyme-based colorimetric detection<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of drug delivery from a hydrogel: pH-triggered dye release<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking model of a dialysis machine with semi-permeable tubing<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of a 3D-bioprinted tissue scaffold under a stereo microscope<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking UV spectrophotometer measuring the absorbance of solutions<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of antibiotic sensitivity testing using disc diffusion on agar<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking wearable EEG headset showing brainwave data on a screen<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstration of an artificial pancreas model with glucose-insulin feedback loop<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Medical & Biomedical Projects<\/a>
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Computer Science & AI Models<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

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#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking demonstration of a convolutional neural network classifying images live<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of RSA encryption and decryption with real-time key generation<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking natural language chatbot deployed on Raspberry Pi with screen<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of blockchain ledger with live transaction validation<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking demonstration of genetic algorithm optimizing a route planning problem<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of quantum computing simulation running Grover’s search<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking network intrusion detection system flagging anomalous traffic live<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of a generative adversarial network creating new digit images<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking recommendation engine suggesting products based on user history<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstration of federated learning training a model across three devices<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Computer Science & AI Models Projects<\/a>
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Interdisciplinary Innovations<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nWorking smart greenhouse with sensors, actuators, and AI crop management<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstration of a brain-controlled LED using EEG and meditation metric<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWorking autonomous pollution monitoring boat sampling water quality<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstration of a bio-inspired wing morphing mechanism using shape-memory alloy<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWorking model of an artificial leaf producing hydrogen fuel from sunlight<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstration of a zero-energy building model with passive design features<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWorking precision fermentation model growing yeast to produce insulin protein<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstration of augmented reality educational system for human anatomy<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWorking neuromorphic chip prototype computing with spiking neurons<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstration of a self-healing polymer that repairs its own cracks with heat<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Interdisciplinary Innovations Projects<\/a>
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Find 100 impressive science exhibition working model ideas for Class 12 students. Advanced models in Physics, Chemistry, Biology, and Technology for national-level exhibitions.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-1015","post","type-post","status-publish","format-standard","hentry","category-science-fair-projects"],"yoast_head":"\n100 Science Exhibition Working Model Ideas for Class 12 (CBSE\/ISC 2025)<\/title>\n<meta name=\"description\" content=\"Find 100 impressive science exhibition working model ideas for Class 12 students. 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