WhaleTimes will take young users on an adventure to the ocean. This resource provides a wealth of information and pictures on popular sea life, such as whales, seals, sea lions, sharks, penguins, and walruses. It helps the user to find out how animals survive in the sea, what they eat, where they live and much more. There are several computer activities for young kids, and a list of books that focus ... Full description.

This site offers facts and information, photographs, classroom activities, games, and other materials related to marine biology and geared towards elementary schol students and teachers. Topics include fish, mollusks, crustaceans, echinoderms, mammals, endangered species, and others. Full description.

This National Park Service resource contains information pages about cave safety and biology, how caves and speleothems form (stalactites and stalagmites), a glossary of karst and cave terms, and specific information about Round Spring Caverns in Missouri. The site also contains a number of K-12 classroom activities where learners apply both critical thinking skills and hands-on methodologies that ... Full description.

This is a series of interactive modules that explore the history of life on Earth, while focusing on the processes of science. Each module contains suggested lesson plans and an extensive teacher's guide. In addition, each module has a suggested grade level and an adaptable grade level. Full description.

This National Aeronautics and Space Administration (NASA) website allows students to investigate biomes and then test their knowledge by completing missions. The site provides basic data about each biome such as temperature, precipitation, vegetation, location, description and links. Biomes discussed include coniferous forest, temperate deciduous forest, desert, grassland, rainforest, shrubland and ... Full description.