In this category, we add all the diy school project models for pre-college students Class 12 /Grade12.
Where students can do themselves step by step for their school exhibition or fair
1. What is the brain? 2. How much does the human brain weigh? 3. What are the main parts of the brain? 4. What is the function of the cerebrum? 5. What does the cerebellum control? 6. What is the role of the brainstem? 7. How is the brain protected? 8. What is the blood-brain … Read more
1. What is an electric bell? 2. How does an electric bell function? 3. What are the main components of an electric bell? 4. Why is the electromagnet important in an electric bell? 5. How does the armature move in an electric bell? 6. Explain the role of the spring in an electric bell. 7. … Read more
1. What is a hydraulic bridge? 2. How does a hydraulic bridge differ from a traditional fixed bridge? 3. What is the primary purpose of a hydraulic bridge? 4. What are the common types of hydraulic bridges? 5. How does a bascule bridge operate? 6. What is the function of the counterweight in a bascule … Read more
1. What is an earthquake alarm? 2. How does an earthquake alarm work? 3. What is the purpose of an earthquake alarm? 4. Can earthquake alarms prevent earthquakes? 5. How accurate are earthquake alarms? 6. Are earthquake alarms commonly used worldwide? 7. What types of sensors are used in earthquake alarms? 8. How can earthquake … Read more
1. What is air pollution? 2. What are the main sources of air pollution? 3. How is air quality measured? 4. What are the health effects of air pollution on humans? 5. How does air pollution affect the environment? 6. What is smog, and how is it formed? 7. What is the role of particulate … Read more