Students will be asked questions by the teacher. The students will then have to answer the teacher.
This is too long for a simple one sentence objective, let’s change it to:
Students can answer questions asked by the teacher.
Students will be asked to present a Powerpoint presentation, speaking on a topic they choose.
Too long, let’s go with:
Students can give an oral presentation using Powerpoint.
During the semester, students will talk about certain topics and subjects in a group and class format.
It is too long, let’s cut it down:
Students can engage in a class debate.