It's About Time
Photosynthesis, Respiration, and the Carbon Cycle
Provide your class with the opportunity to view our carbon cycle close up. Young scientists research the cycle of oxygen as it completes the tasks of photosynthesis and respiration. They explore the importance of carbon in an ecosystem...
Will Steger Foundation
The Carbon Cycle - What are its Implications for Climate Policy?
The carbon cycle isn't a bike which produces carbon and this lesson explains why. Through reading and discussion, groups of pupils create visual explanations of the four parts of the carbon dioxide oxygen cycle. Activities...
National Institute of Open Schooling
Air Pollution
Seventy percent of the air pollution in China is due to car exhaust. Under the umbrella of environmental chemistry, learners extensively explore air pollution. From the makeup of our atmosphere to sources of major air pollutants, classes...
Curated OER
First Land Plants Found on Earth
In this first land plants worksheet, students read about the major events that allowed plants to evolve on Earth. Students read about the primary and secondary atmospheres, the formation of the ozone layer to protect from UV light and...
Re Energy
Build Your Own Biogas Generator
What is biogas and how is it made? After examining background information about the sources of biogas and biogas generators, class members follow the provided information and build a biogas generator that can be used in the...
Encyclopedia of Earth
Encyclopedia of Earth: Environmental Chemistry: Carbon Cycle
Article explaining the importance of carbon as the basis for life, carbon dioxide's role in photosynthesis and respiration, carbon in the ocean and lithosphere, the impact of human activities on the carbon cycle, carbon that seems to be...
NASA
Nasa: Carbon: Where Does It All Go?
At this site from NASA you can understand how phytoplankton help the carbon dioxide levels between the oceans and the air stay in balance.
Simon Fraser University
Chem1 Virtual Textbook: Origin and Evolution of the Atmosphere
As part of the General Chemistry Virtual Textbook, this site examines a variety of topics related to the Earth's atmosphere. Included in the discussion are topics such as prebiotic atmosphere, origin of atmospheric oxygen, carbon...
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.
The Franklin Institute
Franklin Institute Online: Your Living Blood: It's Alive!
How does blood supply your body with the nourishment it needs? This site focuses on systemic circulation. Learn more about this fascinating part of your body when you check out this resource.
BiologyWise
Biology Wise: Importance of Photosynthesis
Explains what the products of photosynthesis are, how we depend on this process for the oxygen we breathe, how it maintains the balance between carbon dioxide and oxygen in the environment, and how it supports all other living organisms...
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.
University of Oregon
University of Oregon: Mars' Atmosphere
Here is a comparison of the atmospheric composition of Earth, Venus and Mars.
Science4Fun
Science4 Fun: Photosynthesis
What is photosynthesis? Discover how plants absorb ingredients, the phases of the process, and the importance.
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