25 questions and answers about the human eye suitable for students in Class 9 and Class 10:

eye-working-model-making

1. What is the function of the human eye? 2. What are the main parts of the eye? 3. What is the cornea, and what is its role in vision? 4. What is the function of the iris? 5. What is the pupil, and how does it respond to light? 6. How does the lens … Read more

25 questions and answers about dams suitable for students in Class 9 and Class 10:

dam working model for science exhibition project - diy at home in simple and easy

1. What is a dam? 2. What is the primary purpose of a dam? 3. How is a dam different from a reservoir? 4. What are the types of dams based on construction material? 5. How do gravity dams work? 6. What is the purpose of spillways in dams? 7. How does a dam contribute … Read more

25 questions and answers about escalators suitable for students in Class 9 or Class 10

escalator working model - elevator diy - science project for exhibition using cardboard

1. What is an escalator? 2. Who invented the escalator? 3. How does an escalator work? 4. What powers an escalator? 5. What are the safety features of escalators? 6. How is the direction of an escalator determined? 7. What is the purpose of the comb plate at the entrance of an escalator? 8. Can … Read more

25 questions and answers about wind turbines suitable for students in Class 9 or Class 10

wind-turbine-working-model-science-project-diy-simple-and-steps

1. What is a wind turbine? 2. How does a wind turbine work? 3. What is the purpose of the tower in a wind turbine? 4. What is the difference between a horizontal-axis and a vertical-axis wind turbine? 5. Why are wind turbines often placed in windy locations? 6. What is the purpose of the … Read more

25 Heart Questions and Answers – Class 9 / Class 10 / Class 11/ Class 12

human-heart-working-model-science-project-simple-and-easy-for-science-exhibition-diy

1. What is the function of the heart? 2. How many chambers does the human heart have? 3. What is the purpose of the heart valves? 4. What is the pacemaker of the heart? 5. What is a heart attack? 6. What is the role of arteries in the circulatory system? 7. How do veins … Read more