Science Project Ideas for Class 12: Physics, Chemistry & Biology

Science Project Ideas for Class 12: Physics, Chemistry & Biology

4 mins readComment
Updated on Oct 30, 2025 14:10 IST

If you are confused about choosing one out of many ideas for your class 12 science fair projects, then the wait is over. Looking for out-of-the-box ideas for your class 12th science projects? Then, take a rest and pause for a while, as this Shiksha article will discuss some of the best science project ideas for class 12. 

Science Project Ideas for Class 12

Science Project Ideas for Class 12

One of the most challenging things to do while completing a science project ideas for class 12 is to choose the right science project that is out-of-the-box. Although there is no lack of ideas but to choose one of many can be tricky sometimes, especially when a student wishes to give their best. 

Every year, there is a race to come first, but in this process, many students forget the reason behind it. Have you ever wondered about the actual cause behind the class 12 science project ideas? One of the best ways to understand a topic or scientific phenomenon is to go through the entire process practically. When a student puts his/her understanding of science into a visual reality, this opens up endless possibilities for them. Therefore, CBSE Class 12 science project ideas are given considerable importance throughout a child's academic journey. 

Science Project Ideas for Class 12: Subject-wise

Here is the division of all the class 12 project topics and ideas for all science subjects like Physics, Chemistry, and Biology. This will help class 12 students to analyse the difficulty, time and cost checklist of all the science project ideas that align with their board syllabus as well. Before choosing one out of the top 10 winning project ideas, students must be aware of the ICSE or CBSE Project rules, guidelines and board requirements as well. 

Best Science Project Ideas for Class 12: Physics

Here are some of the best easy science project ideas for class 12Students must go through the following ideas to choose one as on their understanding and interest. 

  1. Wind Turbine: In this project, one needs to design and build a small turbine. This measure helps to measure and generate electricity. 
  2. A train model on Magnetic Levitation: In this, one needs to use magnets and a base (lightweight) to display magnetic repulsion. 
  3. A Hydro Rocket Launcher: In this physics project for class 12 science fair, students need to use the technique of air pressure and water volume to understand and study changes in the thrust and height. Through this project, one can display Newton's third law of motion. 
  4. Solar Tracker System: With the help of motors and simple light sensors, one can make a dual-axis solar panel tracker, which makes it a low-cost class 12 science project. This will help to display renewable energy usage.

Also Read:

Best Science Project Ideas for Class 12: Chemistry

Here are some unique science project ideas for Class 12 Chemistry subject. Those who have a keen interest in this subject can choose their Class 12 science fair projects from the ideas mentioned below.

  1. Changes in temperature on Vitamin C Degradation: In this project, students need to display the nutrition chemistry, oxidation process and decomposition process after using iodometric titration in the vitamin C content. In this, one needs to examine the changes that happen after heating vitamin C in the fruit juices. 
  2. Biodegradable plastic: After extracting potato starch, one needs to mix it with glycerol, which will help to make a biodegradable plastic out of potato starch. In this, students need to portray and examine the water resistance, biodegradability and flexibility of the biodegradable plastic to actual plastic. 
  3. Activated Charcoal for water purification: In this science project idea for class 12, students need to use activated charcoal and sand layers to make a water filtration unit. In this project, one needs to examine the before and after changes of pH and turbidity. 
  4. Aloe vera for Green Synthesis of Silver Nanoparticles: To avoid harmful chemicals, one needs to extract the natural reducing agents from the aloe vera juice. This will help to further synthesise the silver nanoparticles that will help to avoid the usage of harmful chemicals. Students need to examine the antibacterial properties and the colour change. 

Also Read:

Best Science Project Ideas for Class 12: Biology

Check out the list of the best Class 12 science projects for exhibition for the Biology subject. 

  1. Correlation of music on plant growth: In this process, one needs to expose plants to various genres of music and, during the process, record the growth of plants. This will help to display the correlation between music/sound and biology, and how music affects the plant's development. 
  2. Taking Food Samples to Detect Adulteration: In this project, one needs to analyse the adulteration with the help of reagents in various foods like paneer, sugar, honey, milk and ghee. 
  3. Using Aquatic plants to study water pollution: In this, students need to examine the production of oxygen and the growth pattern of aquatic plants like hydrilla or duckweed.
  4. Correlation between plants and fertilisers: To analyse the effect of fertilisers on plant growth, one needs to use chemical fertilisers and organic fertilisers on plants and analyse their chlorophyll content, height, and leaf areas for a minimum of 30 days. This will help to understand the impact of fertilisers and to find out a more sustainable and healthier way of growing plants. 

In this Shiksha article, we have discussed some of the best class 12 science project ideas, which are not only innovative enough but also CBSE or ICSE Class 12 students can easily design these low-cost science projects. To get some of the most unique, easy-to-make Class 12 science project ideas. One can choose their preferred subject and choose one of the most suitable science projects to compete at their class 12 science fair projects.

About the Author
I've always been a curious person who wants to know about things around the world. This could be one of the reasons I started working as a content writer as my quest for knowing more suited my professional very well Read Full Bio