You may spend some time finding an interesting article about "time management." You may also spend a great deal of time reading and digesting it. Definitely, you want to share with your classmates what you have found and read. Are you ready to do so?
First, give a visual aid--PowerPoint slices. Second, remember to show the key points on the slices. With preparation, it is for sure that your audience will invest their time in listening to what you say.
Giving an effective presentation is not an easy task. You need to equip yourself with some basic knowledge and skills. What you need most is 3 ps: practice, practice, and practice.