Half Life Practice Worksheet in an understanding moderate can be utilized to check pupils talents and knowledge by answering questions. Since in the Student Worksheet about 90% of the articles of the entire book are questions, both multiple selection and solution issues which are not available. While the others consists of a quick summary of the subject matter. Using worksheet, teachers no more need to bother to gather issues or questions. With the media the instructor is needed to focus on providing a maximum knowledge of the specified subject. For the evaluation and check of learning outcomes, the instructor just needs to share with and primary the issues previously obtainable in the worksheet. Since more or less the worksheet acts as helpful information for students in carrying out learning jobs equally independently and in groups.