上学时间Alexa排名

176. Arcademics.comarcademics.com

网站简介:Online multi-player educational math games and language arts games for students and teachers.

177. Discoverykids.comdiscoverykids.com

网站简介:A digital channel that explores real life adventures and answers questions about the earth and beyond. Lists programming, digital cable channel numbers, and includes a question and answer section.

178. Lib.utexas.edu/maps/

网站简介:Includes collection of online CIA and historical maps. Worldwide coverage, with a focus on United States and Texas maps. FAQ and links to maps at other sites.

179. Sciencebob.comsciencebob.com

网站简介:Enter the world of Science Bob to try home experiments, visit an online lab, and get answers to general science questions.

180. Lonelyplanet.com/italy

网站简介:Facts and advice for traveling along with background material on the culture and history of the country.

181. Apples4theteacher.comapples4theteacher.com

网站简介:Features games and fun activities in art, music, foreign languages, English, math, science, and social studies. For students from kindergarten to the 6th grade.

182. Math-play.commath-play.com

网站简介:Features a large collection of free online math games for all ages. Immediate feedback and hints are provided.

183. Hermitagemuseum.orghermitagemuseum.org

网站简介:The official site provides a virtual tour and history of the museum buildings: the Baroque Winter Palace (1754-1762) designed by Bartolomeo Rastrelli and the Neo-Classical Small Hermitage and Large Hermitage.

184. Spartacus-educational.comspartacus-educational.com

网站简介:British online encyclopedia focuses on historical topics. Articles are geared toward students.

185. Americaslibrary.govamericaslibrary.gov

网站简介:Stories and facts celebrate the library's 200th anniversary.

186. Percent-change.compercent-change.com

网站简介:Measures the difference in value using percentages. Includes bar graphs with the answer.

187. Skepdic.comskepdic.com

网站简介:Skeptical definitions and essays on occult, paranormal, supernatural and pseudoscientific ideas and practices.

188. Syvum.comsyvum.com

网站简介:Interactive quiz activities for GRE, GMAT, SAT, Science, Physics, Chemistry, Biology, Math, Brain Teasers, History, Geography, General Knowledge & Recipes in English, Spanish, French, German, Italian, Portuguese, Hindi and Japanese. Plus a progress monitor for students, parents and teachers with a free download demo.

189. Collectionscanada.gc.cacollectionscanada.gc.ca

网站简介:Provides descriptions of Canadian information resources created for the Internet, including general digital collections, resources centered around a particular theme, and reference sources and databases.

190. Brainpop.com/science/

网站简介:Animated science, health and technology with movies, quizzes, activity pages and school homework help.

191. Earthsky.org/tonight

网站简介:Go in your own backyard and see the wonders of the universe. Features astronomical events for each night.

192. On-this-day.comon-this-day.com

网站简介:Daily historical facts and events, famous birthdays, world history, music history, and quote of the day.

193. Adventure.nationalgeographic.com/adventure/

网站简介:Dispatches, photos, and video depict life on an icebreaker as the crew studies krill and other Antarctic species.

194. A4esl.orga4esl.org

网站简介:Free quizzes and activities for students. A project of The Internet TESL Journal.

195. Webelements.comwebelements.com

网站简介:This is the home page of WebElements, the periodic table of the elements. It has NMR data toward the bottom left of each element page.

196. Onlinemathlearning.comonlinemathlearning.com

网站简介:Learn basic concepts behind arithmetic, algebra and geometry. Includes some SAT test preparation help and math trivia.

197. Keukenhof.nlkeukenhof.nl

网站简介:Famous for its spring bulb displays. Information on current exhibits, FAQ, and admission information.

198. Lonelyplanet.com/thailand

网站简介:Comprehensive facts and advice for traveling along with background material on the culture and history of the country.

199. Www3.vocabtest.comwww3.vocabtest.com

网站简介:A series of interactive tests designed to help students learn standard SAT words.

200. Kids.usa.govkids.usa.gov

网站简介:The U.S. government's portal site that provides a gateway to hundreds of Federal and other websites for use by kids and teens.