
netTrekker
Legend
The netTrekker Legend is an explanatory list of the icons used on a Search Result page. These icons provide information on the contents of a particular website, such as whether it has pictures, primary source documents, audio content, and more.
Click on any of these icons at any time to open the netTrekker Legend and learn what these icons symbolize.

| The website may contain "controversial material," meaning any content that, although educational, may be deemed offensive or inappropriate for viewing. Types of controversial material include information on human sexuality, drugs, graphic images, potentially offensive language, or opinions on race and/or religion (hate speech) that may be offensive to some users. |
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| The website contains assessment material. | |
| The website contains audio files that you can either download to your PC or listen to over the Internet using streaming technology, such as RealAudio files with RealPlayer, a free audio program. The free media software must be installed on your computer first before these files will operate. | |
| The website provides biographical information. | |
| The website provides online books, book passages, or a bibliography of source material. | |
| The website contains content with formulas and/or examples. These could be math or scientific formulas, or examples related to grammar and writing. | |
| The website contains GLOBIO based resources. | |
| The website contains interactive media. | |
| The website includes lesson plans for teachers. | |
| The website contains learning exercises, practice material that reinforces concepts, or a tutorial. | |
| The website contains topical learning games. | |
| The website contains charts and/or maps. | |
| The website contains National Humanities Center based resources. | |
| The website includes resources from NSTA Learning Center. | |
| The website includes resources from PBS TeacherSource. | |
| The website includes pictures and/or illustrations. | |
| The website contains primary source documents. | |
| The website contains content with Promethean Whiteboards. | |
| The website contains content from Quia. | |
| The website includes direct quotations from prominent figures. | |
| The website allows you to download software, such as freeware and shareware. | |
| The website contains content with SMART resources. | |
| The website contains content with TeachEngineering resources. | |
| The website contains content with WGBH Teachers' Domain resources. | |
| The website contains content from Texas Instruments. | |
| The website contains video clips that you can download to your PC or view over the Internet using streaming technology, such as Windows Media Player, or RealPlayer, or Quicktime. The free media software must be installed on your computer before these files will operate. | |
| The website contains content with Weekly Reader Express resources. |
| The website has content available in Arabic. | The website has content available in Japanese. | |||
| The website has content available in Chinese. | The website has content available in Korean. | |||
| The website has content available in Dutch. | The website has content available in Portuguese. | |||
| The website has content available in English. | The website has content available in Russian. | |||
| The website has content available in French. | The website has content available in Spanish. | |||
| The website has content available in German. | The website has content available in Tagalog. | |||
| The website has content available in Haitian Creole. | The website has content available in Urdu. | |||
| The website has content available in Hmong. | The website has content available in Vietnamese. |
| The timeline icon indicates that a timeline is available for a specific time period, or the life span of a specific person. |