McGraw Hill
Online Learning Center: Respiration
This is a very detailed site on breathing/respiration. It covers system organization, mechanics, exchange of gases, and oxygen transport. A very thorough site.
PBS
Pbs Learning Media: Atmospheric Oxygen
In this feature, adapted from Interactive NOVA: Earth, students explore the relationship between oxygen concentration and the well-being of various organisms by simulating a change in oxygen levels and observing what happens.
TED Talks
Ted: Ted Ed: How Breathing Works
This video describes how the process of breathing in the human body works. [5:19] Includes a brief quiz and a list of additional resources to explore.
Environmental Education for Kids
Eek!: Activity: Trees and Air Quality
Site offers lessons and activities designed to supplement study of the environment and ecology. Concise explanations are presented on the importance of trees in our world. Also, problem solving and creative thinking is encouraged...
Science Buddies
Science Buddies: From Gas to Rust: Measuring the Oxygen Content of Air
Earth's atmosphere, the ocean of air that blankets the planet, is mostly nitrogen and oxygen, with small amounts of other gases. How much oxygen is present in air at sea level? Is air high up in the Appalachians or Rockies? Atop Mount...
Science Buddies
Science Buddies: I'm Trying to Breathe Here! Dissolved Oxygen vs. Temperature
To survive, we need oxygen in the air we breathe. Oxygen is also essential for most aquatic organisms, but there is much less oxygen available in water than in air. Learn how to measure dissolved oxygen and then see how oxygen...
Science Buddies
Science Buddies: How Does a Chick Breathe Inside Its Shell?
Whether a chick can breathe inside its shell is an interesting question. Every animal needs oxygen to survive, so the chick must get air somehow. Try this science project to discover if the pores in a chicken egg shell allow water to...
Environmental Chemistry
Environmental chemistry.com: Periodic Table Oxygen
An incredibly thorough site with a wealth of basic information on oxygen. Highly recommended.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Oxygen
Very thorough summary of detailed information on oxygen, its history, isotopes, properties, and applications.
Encyclopedia of Earth
Encyclopedia of Earth: Oxygen
Information about the element, Oxygen, atomic number 8. Covers history, physical and atomic properties, abundance, and permissible exposure limits. Also discusses forms of oxygen, isotopes, sources, and uses.
Other
Washington University: Hemoglobin and the Heme Group:
This site from the Department of Chemistry at the Washington University provides a deetailed study of the role of hemoglobin in blood physiology. The article is somewhat in-depth, complete with pictures, charts, and a bibliography.
Other
Web ref.org: Oxygen
Nice entry on oxygen, its properties, and uses including good links to all the terminology in the entry.
Other
Inside the Human Body: The Respiratory System
Information, activities, and games pertaining to the respiratory system, including more specific topics like lung health and wellness, air pollution, and tobacco.
OpenStax
Open Stax: Requirements for Human Life
Earth and its atmosphere have provided us with air to breathe, water to drink, and food to eat, but these are not the only requirements for survival. Although you may rarely think about it, you also cannot live outside of a certain range...
Web Elements
Web Elements Periodic Table: Oxygen
Very nice site with a great deal of excellent and helpful information on oxygen.
CK-12 Foundation
Ck 12: Anaerobic and Aerobic Respiration
[Free Registration/Login may be required to access all resource tools.] Do you know why oxygen is so important? Module provides a comparison of the advantages and disadvantages of aerobic and anaerobic respiration and discusses the role...
TED Talks
Ted: Ted Ed: The Carbon Cycle
Video talks about the carbon cycle and uses a computer as a metaphor to show how the cycle can be disrupted by climate change. [3:55] Includes a short quiz and a list of additional resources to explore.
Harvard University
Harvard: An Overview of Hemoglobin
A brief overview on Hemoglobin from Harvard Medical School, with suggested medical textbooks listed for more in depth information.
E-learning for Kids
E Learning for Kids: Science: California Crab Boat: Why Do We Need Air?
Visit California and Timmy will tell you a lot about air and why we need it for breathing.
PBS
Pbs Learning Media: Breathing
Breathing shows an underwater scene and asks the students to answer the question, How do the people, fish and turtle get the oxygen they need?
PBS
Nh Pbs: Nature Works: Bony Fish
This site identifies different characteristics and information related to Bony Fish. Find out some fun facts about these friendly fish when you explore this site.
University of Kansas Medical Center
University of Kansas Medical Center: Respiratory System
What do you know about the respiratory system? Check out this site to learn more about this fascinating body system. This resource features slides of the different parts of this system.
Environmental Education for Kids
Eek!: Evergreens
Site chronicles Wisconsin's Evergreen and Conifer trees. There are descriptions of the various tree types. Additionally, site details the uses of these trees in nature. Ideal for grades 4-8.
University of Oregon
University of Oregon: Mars' Atmosphere
Here is a comparison of the atmospheric composition of Earth, Venus and Mars.