S9 Electromagnetic Spectrum Worksheet in a learning medium can be used to check students abilities and knowledge by answering questions. Because in the Student Worksheet about 90% of the articles of the entire guide are issues, equally multiple decision and solution issues which are not available. While the others is made up of short overview of the subject matter. Using worksheet, educators no longer need certainly to bother to collect questions or questions. With the press the instructor is needed to focus on providing a maximum knowledge of the specified subject. For the evaluation and check of learning outcomes, the teacher only wants to share with and primary the questions previously obtainable in the worksheet. Because more or less the worksheet works as helpful information for pupils in carrying out studying tasks both independently and in groups.