TeacherTube is an educational resource found at teachertube.com. It is a filtered, child-safe video website based off of the popular video site called YouTube. The site, geared towards teachers and students, was initiated by a superintendent from Texas named Jason Smith and is maintained through uploaded user content. TeacherTube is a fantastic source of videos to supplement lessons of all subjects in an elementary classroom. All content on this educational website is current, and its copyright has been updated as of 2015. All video links are informational and relevant, and some information about the people who uploaded each of the videos is available; however, no contact information is provided for the website. Also, the audience and subject matter of the videos are easily determined. The site's credibility is improved by its associations with the American Institute for History Education, Glogster EDU, NASA Ares, and other highly esteemed educational online resources. Over all, TeacherTube provides reliable, audience-appropriate, educational content to students and teachers alike, making it an excellent tool to use in a flipped-design classroom or to supplement any lesson in an elementary classroom. The website's design allows users to easily navigate TeacherTube's videos. The homepage displays a sample of educational videos and organizes them into rows by audience and then by subject matter: teachers, parents, students, and then math, science, and history. Each video shows appropriate content according to the subject and audience it is labeled. Additionally, users can search video channels or specific usernames of people who upload videos. This simplistic format of the homepage is consistent with all other pages, making navigation easy for users of many ages and ensuring efficient loading on any web browser. Clearly, TeacherTube is a well-designed, user-friendly, educational resource for teachers, parents, and students to find credible and informational

This website, found at education.nationalgeographic.com, is geared at teachers, families, and student audiences. The encyclopedia resources on the site can be altered to better fit each of these audiences depending on the user's selected audience. In addition to encyclopedia resources, videos, photographs, lessons, and educational activities can also be found on the website. The website developer, National Geographic Society, does a wonderful job of providing external links and updated information on a variety of scientific and social topics which could be helpful in elementary classroom research activities. National Geographic's website content is relevant and correct, since it's most recent update took place in 2015. Although the site identifies its sponsor as the Verizon Foundation, no biases in the texts can be detected. On every educational page, whether it is an encyclopedia entry for K-2nd grade audiences or a suggested lesson plan for teachers, National Geographic provides a multitude of working links to back up the site's information and facts. At the bottom of every page, the website provides contact information in the forms of email addresses, mailing addresses, and telephone numbers for users to use in case of any questions or concerns. Clearly, the National Geographic Education website's content is accurate and very useful for science and social studies education. The design of this site is compatible with all web browsers and downloads efficiently. The Education home page offers an attractive, organized display of the website's resources and choice of audiences. This easy-to-follow format also flows onto every page on the website for easy navigation, and all links are integrated into the website's text for convenient learning and fact-checking. Over all, the presentation of National Geographic's content is attractive, organized, and current.