This simulation from the National Center for Atmospheric Research portrays annual patterns in water vapor and precipitation across the globe, illustrating general circulation patterns as well as seasonal and regional variation.

This activity is a classroom based inquiry activity where students will observe how water changes when it is moved through a variety of different mediums. Eventually, the students will take this model to the larger ideas of watershed in the community.

Students build a model of a watershed, apply water to the model, and explore what happens when elements of the watershed are changed.

The 11 books selected for inclusion in the issue of Beyond Weather and the Water Cycle devoted to climate studies range from easy readers to biographies. Each book is briefly described; all were reviewed for accuracy and appropriate reading levels for students in grades K-5. Several books deal with careers in meteorology.

This nonfiction article, written for students in grades 4-5, explores blue whales, their food chain, and their home in the Southern Ocean. Modified versions are available for students in younger grades.

What Is Water? is an introductory lesson that introduces students to the properties of water and its presents in the environment.

This activity is an internet exploration of West Nile Virus and the effects this virus has directly on bird populations. Students will also see the secondary effects on human populations and the interrelationships of the three populations.

Students will listen to the book, Under One Rock Bugs, Slugs, and Other Ughs, written by Anthony D. Frederick and illustrated by Jennifer DiRubbio and then make a mini-book observation journal, Under One Rock to record what they see when they go outdoors to investigate what lives under a rock.

This activity is a field/classroom activity where students collect soil samples, form inquiry questions, devise a sorting method, make observations of the contents, record information, share information, and draw conclusions about their findings. Students will generate other inquiry questions related to soil for future learning opportunities.

Spreadsheets Across the Curriculum/Geology of National Parks module. Students estimate the net volume of pollutants flowing into the Houchin's Narrows entrance of Mammoth Cave using actual air-flow and air-quality data from the park.

This activity is a field investigation where students investigate the water quality of a local stream or pond.

This activity is a water study investigation showing how biotic and abiotic factors are influenced by human activity.

This short demonstration will open students' eyes to the distribution of various water sources on our Earth, but also the limited amount of fresh water for our daily use.

Students learn about endangered species and actions humans have taken to address the issue of endangered species. The Xpeditions lesson has students think about their experiences with zoos, learn about the reasons for captive breeding, and come up with an opinion about the role of zoos and aquariums in addressing this issue. The additional activity in the Teaching Materials section has students learn about a controversy within the scientific community regarding the captive breeding of tigers. Students will read articles written by the scientists, develop an opinion, discuss the issue with their classmates, and draw a conclusion based upon additional information they have researched.

In this video segment from Planet H20: Water World, experts and teens inside and outside the Great Lakes watershed provide different perspectives on sharing the water from one of the largest bodies of fresh water in the world.

This activity is a field activity where students will perform various water quality tests to determine the types of organisms that live in a local pond and stream, and the characteristics that those aquatic environments seem to have that the organisms favor.

In this video segment adapted from United Tribes Technical College, listen as six Native American students share their concerns, hopes, and knowledge about climate change.

In this video adapted from Texas Parks and Wildlife Department, see how volunteers care for sick or injured animals. Also learn why human interaction is not always the best solution.

In this What's Up in the Environment? video segment, learn how various indicator species are used to monitor the environmental condition of the Everglades.