Public speaking. It's something we all dread, yet we all must develop this skill during our time in academia. Though standing in front of a group of undergraduates—in some cases not much younger than yourself—can be daunting, don't fear! There are some things you can do to make this experience a good one for both you and your students.
Luckily, there is a wealth of resources out there to help improve your public speaking. This article from Harvard University condenses these tips into a list of ten things to help you manage your anxiety and deliver a rousing presentation. Feeling confident in your presentation itself might also help ease some nerves. Read this article for tips on crafting a good oral presentation.
A lot of what makes a presentation good is not only its content, but your delivery of it. Brown's Sheridan Center has some great suggestions for how to communicate in a classroom, helping you present the information in an interesting and engaging way and helping you read your audience's response. This includes effective slides.
Fun tip: Looking to spice up your presentation slides? Try Slides Carnival for a nice variety of free presentation template designs compatible with PowerPoint and Google Slides.