Students are eager to get something new, whether it is knowledge or a skill, from their class. Merely, they just see the teacher used to talk explaining from a handbook or they have tasks from the books. Those conditions indicate the students are boring, they prefer to sleep or silent while their teacher is explaining. The student need a challenge to make them interest in the subject they learn. The teacher should carry the subject on the proper method and he should have a good personal skill. The method and a good personal skill of the teacher will make challenging classroom activities.
There is no a good method for all subject. The teacher should be able to know which method is suitable for his students based on the subject. The teacher can choose discussion if the subject is a knowledge. Discussion is one of method to make students have responsibilities in understanding the subject they learn. If it is about a skill, a demonstration method is a good choice. A clear instruction and good example how to do something will make students give their best results. Presenting a subject in a good method is guaranty to make challenging classroom activities.
The other aspect to make challenging classroom activities is the teacher personal skill. It closes to performance and speaking ability when he carries subject on the class. Good performance like neat, fresh and friendly make students gives their attention to the teacher and the subject presented. The important thing is the sound of the teacher when he explains the subject and clear instruction when he gives assignment. The student will takes their eyes on what the teacher says clearly and while he looks fresh, neat and friendly too.
Finally, the challenging classroom activities can be create while the students expected to come to the class when the teacher gives the subject in a suitable method and in a good performance. They wish they will get something new every their teacher come to the class.