Test your skills at different levels. A great mind exercise. Brain Teasers - Site has brain teasers of the week, solutions and archives of past puzzles.
Students can submit answers directly.
Little Explorers Alphabet Learn the alphabet by exploring the web. Children's Literature Authors and Illustrators - Web sites links to authors and illustrators. Children explore the relationship between balance and weight and learn strategies for making comparisons. They explore by manipulating objects on a beam balance, building mobiles, and by using an equal-arm balance. The relationship of density, weight, and volume among different foods is explored.