Next.cc
Next: Air
Multiple activities explore and explain why plants and animals need air to survive.
Wikimedia
Wikipedia: Phlogiston Theory
Wikipedia offers detailed information on the Phlogiston Theory, a discredited 17th century theory hypothesis regarding combustion.
Treehut
Suzy's World: How Does a Tree Eat?
Use site from Suzy's world, which is a personal site from Suzy Cato, in order to learn how plants and trees "eat." Content includes fun facts and great experiment.
Untamed Science
Untamed Science: Biology: Human Biology: Respiratory System
Make learning about the human respiratory system fun and easy. Explore how this system gets oxygen into the body for gas exchange.
Exploratorium
Exploratorium: Science Snacks: Indicating Electrolysis
This experiment and video demonstration shows how students can break up water into hydrogen and oxygen gas with a simple electrolysis device.
American Chemical Society
Middle School Chemistry: Energy Levels, Electrons, and Covalent Bonding
Discover how covalent molecular bonding affects the energy levels of electrons.
American Chemical Society
Middle School Chemistry: What Is a Chemical Reaction?
Use chemical formulas to visualize how chemical equations are balanced.
Chemicool
Chemicool: Oxygen
A set of tables summarizing all sorts of chemical and physical data on oxygen at this site from Chemicool.
Bio Topics
Bio Topics: Photosynthesis
This site details the process of photosynthesis. Photosynthesis is the process of the production of oxygen by plants and carbon dioxide by animals, both of which are needed for respiration purposes.
Chem4kids
Chem4 Kids: Element List
Site provides the first 18 elements found in the Periodic Table. Click on an element to discover where it is found and what it's characteristics are.
Chem4kids
Chem4 Kids: Oxygen (O)
Here you can find some great information about the 8th element in the periodic table, "oxygen." Content focuses on oxygen's electrons, where you can find oxygen in nature and in the home, and how oxygen combines with other elements.
University Corporation for Atmospheric Research
Ucar: About Ozone
A detailed overview of the chemistry of ozone and its role in the atmosphere. Students learn about the benefits and hazards of ozone. All information is reinforced through pictures, graphs, and learning activities. Learning activities...
Soft Schools
Soft Schools: Carbohydrates Quiz
Take an interactive quiz over carbohydrates. After completing the quiz, check your score, and then revisit any incorrect question for further review
Geography 4 kids
Geography4 kids.com: Bgc Cycles: Oxygen Cycle
Discover the process by which oxygen cycles through the ecosystem.
Enchanted Learning
Enchanted Learning: Label the Lungs
Do you know the parts of the lung? Check out this lung diagram that can be printed out for students to label the various parts.
Other
Earth Sky: The Earth's First Breathable Atmosphere
Find out about the perfect storm of conditions that allowed Earth's atmosphere to contain oxygen.
North Central Regional Educational Laboratory
Kids Learn: Respiratory System Internet Workshop
Come and explore this internet workshop that was designed to introduce you to a study on the respiratory system. Students and teachers will benefit from this resource.
North Central Regional Educational Laboratory
Kids learn.org: Circulatory System
What do you know about the circulatory system? This site features several links to help you increase your knowledge of this fascinating human body system.
North Central Regional Educational Laboratory
Circulatory System Internet Workshop
This site features a circulatory system internet workshop focused on diseases and healthy living. Students and teachers will benefit from the resources linked to this site.
Khan Academy
Khan Academy: Biogeochemical Cycles
Test your knowledge of the water cycle, carbon cycle, and nitrogen cycle.
CK-12 Foundation
Ck 12: Life Science: 12.17 Cellular Respiration and Photosynthesis
Explore the two complementary processes of photosynthesis and cellular respiration.
Wikimedia
Wikipedia: Amide
Wikipedia entry for the chemical compound amide. Includes naming conventions, properties, reactions, and so on.
Wikimedia
Wikipedia: Ester
Wikipedia entry for the chemical compound ester. Includes naming conventions, properties, reactions, and the like.