上学时间Alexa排名

201. Nces.ed.gov/nceskids/

网站简介:Directories of schools, colleges, and libraries. Games, tools, multimedia, and a kids magazine.

202. Roscosmos.ruroscosmos.ru

网站简介:Official site provides news and information about the agency's programs, activities, structure and history. [English, Russian]

203. Tanzania.go.tztanzania.go.tz

网站简介:Official site provides news and information about the government's ministries and services. Includes documents, speeches, and economics and investment material. [English, Kiswahili]

204. Animaldiversity.organimaldiversity.org

网站简介:Online database of animal natural history, distribution, classification, and conservation biology at the University of Michigan.

205. Aruba.comaruba.com

网站简介:Activities, events, shopping, dining and other information from the Aruba Tourism Authority.

206. Visiticeland.comvisiticeland.com

网站简介:Practical information and listing of travel possibilities in six languages.

207. Kidsgen.comkidsgen.com

网站简介:Features hobbies and stories, jokes, poems, craft ideas, information about holidays and parties, school projects and magic tricks.

208. Uaeinteract.comuaeinteract.com

网站简介:Overview of the country's economy, culture, nature and history. Features current news and archive, virtual museum, tourist guide and business information from The National Media Council of the UAE.

209. Aqua.orgaqua.org

网站简介:Visitor information, aquarium map, exhibit descriptions, education program summary, animal photos and descriptions, research and conservation project information, and online interactive aquagames.

210. Mamalisa.commamalisa.com

网站简介:Propose des chansons enfantines, des poèmes et des comptines du monde, en français et dans leur langue d'origine.

211. Rsc.org/periodic-table

网站简介:Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.

212. Babelfish.combabelfish.com

网站简介:Traducteur multilingue de textes et de pages web.

213. Bigcatrescue.orgbigcatrescue.org

网站简介:Big Cat Rescue’s mission is to provide the best possible home for the animals in our care and try to stop the flow of exotic cats needing sanctuary by educating the public about the plight of the animals and supporting stronger laws to protect them. The non-profit organization is: Accredited by the Global Federation of Sanctuaries Certified by Independent Charities of America as a “Best in America Charity” Member of the World Society for Protection of Animals Rated 4 Stars by Charity Navigator (their highest rating) and has the highest score of any animal based charity

214. Printfreegraphpaper.comprintfreegraphpaper.com

网站简介:Online software that produces printable Smith charts for transmission-line complex-impedance plotting, and other types of graph paper.

215. Mathplanet.commathplanet.com

网站简介:Provides tutorials in pre-algebra, algebra and geometry. Also includes variety of solved math problems in SAT and ACT.

216. Wwf.panda.org/about_our_earth/

网站简介:Provides fact sheets, interactive quizzes, photographs, video clips, and teacher's guides.

217. English-4u.deenglish-4u.de

网站简介:Bietet deutschsprachige und englischsprachige Erklärungen der englischen Grammatik, speziell für Anfänger. Zudem finden sich Grammatik- und Vokabelübungen, Kreuzworträtsel sowie landeskundliche Informationen.

218. Web-japan.org/kidsweb/

网站简介:nature and climate, region, tradition and culture, economy and industry, school life, and language.

219. Madsci.orgmadsci.org

网站简介:Ask-A-Scientist, fun educational activities, and information resources including an online archive of >35,000 answered questions and database of Edible/Inedible experiments.

220. Visitmalta.comvisitmalta.com

网站简介:Information about Holidays in Malta, Gozo and Comino. Book online your Flight, Hotel and Car Hire.re.

221. Worldwildlife.org/species

网站简介:Explores the challenges facing tigers, pandas, rhinos, whales, other species. Includes factsheets, information on illegal wildlife trade, and information about steps the average person can take help save these creatures.

222. Learner.org/jnorth/

网站简介:Students across North America track the journeys of a dozen migratory species, share their field observations with classrooms across the Hemisphere, and are linked with scientists who share their expertise directly.

223. Localhistories.orglocalhistories.org

网站简介:Learn about the history of cities in the United Kingdom, as well as countries around the world. Page also includes timelines, biographies, and explanations on the origins of old sayings.

224. Let.rug.nl/usa/

网站简介:Contains outlines related to American history and culture, primary source materials, essays, biographies and presidential information.

225. Weatherwizkids.comweatherwizkids.com

网站简介:Includes facts, folklore, games, jokes, experiments, and activities, written by a meteorologist..