This document provides tips for creating effective PowerPoint slides by avoiding common pitfalls. It recommends using an outline slide at the beginning to list the main points, keeping slides concise with 1-2 points per slide in bullet form. For structure, it advises showing one point at a time and avoiding distracting animations. For design, it suggests using a large, clear font in a color that contrasts the background, keeping the background simple and consistent. Graphs should be easy to understand and interpret with labels and titles. Proofreading slides for spelling and grammar errors is also recommended. The conclusion should summarize key ideas and invite questions.