A teacher took her class on an educational trip to

Educational trips are designed to offer students firsthand experiences that complement and enhance classroom learning.

Key Points

• The primary purpose of an educational trip is to give students the chance to observe and experience real-world situations related to their studies.
• This hands-on experience enhances learning by allowing students to connect classroom knowledge with practical, observable examples.
• By observing real-world applications of concepts they’ve learned in class, students gain a deeper understanding and retention of the material.

Hence, the correct answer is provide opportunity to children for direct observation.

Hint

• Provide a break from the routine teaching in school: While educational trips do break the routine, this is not their primary purpose.
• Do the activity specified in the school calendar: Though educational trips might be planned according to the school calendar, their purpose extends beyond merely fulfilling a scheduled activity. 
• Provide entertainment to children: Entertainment can be a secondary benefit of educational trips, as they can be enjoyable and engaging for students. However, the main objective is educational enrichment, not just entertainment.