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 resource for younger students about the greenhouse effect and global warming is part of a series of information sheets about the atmosphere, climate, and the environment. It begins with an explanation of the natural greenhouse effect of our atmosphere and the enhancement of the effect by the addition of greenhouse gases. The effects of this global warming on the weather, sea level, farming, and ... 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.