HEATKEYS

National Geographic Education brings geography, social studies and science to life. Using real-world examples and National Geographic's rich media, educators, families, and students learn about the world and the people in it.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

NSIDC supports research into our world

When three children land upon an iceberg - they meet the Throps and the Squallhoots. Story, songs, games, learn about the Arctic, and MORE!

Crevasse

Ranked among the nation’s best colleges, Carleton College is a small, private liberal arts college in the historic river town of Northfield, Minnesota.

Backpacker Magazine is your source for gear reviews, outdoor skills information and advice, and destinations for backpacking, camping, hiking, and other outdoor activities. Plan trips, download hikes, find gear, and learn outdoor and survival skills

Gatherer is the Magic Card Database. Search for the perfect addition to your deck. Browse through cards from Magic

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.