Other
The Greenhouse Effect: Natural and Amplified Warming
This concise resource presents a thorough drawing which simplifies the explanation of the greenhouse effect into six easy to understand steps.
Sophia Learning
Sophia: Animals: Human Respiratory System: Lesson 4
This lesson provides an overview that explains the respiratory system in humans. It is 4 of 5 in the series titled "Animals: Human Respiratory System."
Sophia Learning
Sophia: Animals: Human Respiratory System: Lesson 5
This lesson provides an overview that explains the respiratory system in humans. It is 5 of 5 in the series titled "Animals: Human Respiratory System."
Sophia Learning
Sophia: Calvin Cycle: Lesson 2
This lesson will introduce the Calvin cycle, and explain how it converts carbon dioxide to sugar. It is 2 of 4 in the series titled "Calvin Cycle."
Sophia Learning
Sophia: Calvin Cycle: Lesson 3
This lesson will introduce the Calvin cycle, and explain how it converts carbon dioxide to sugar. It is 3 of 4 in the series titled "Calvin Cycle."
Science Bob Pflugfelder
Science Bob: The Exploding Lunch Bag
This site contains a simple procedure for observing an acid-base neutralization reaction (baking soda and vinegar), in which the product, carbon dioxide, causes a zipped bag to explode.
Science Bob Pflugfelder
Science Bob: Watch Yeast in Action!
Gives a procedure for observing the creation of carbon dioxide by active yeast. Following the procedure, a brief description of how yeast is used in bread is presented.
Sophia Learning
Sophia: Animals: Human Respiratory System: Lesson 3
This lesson provides an overview that explains the respiratory system in humans. It is 3 of 5 in the series titled "Animals: Human Respiratory System."
Sophia Learning
Sophia: Calvin Cycle: Lesson 4
This lesson will introduce the Calvin cycle, and explain how it converts carbon dioxide to sugar. It is 4 of 4 in the series titled "Calvin Cycle."
Inner Body
Innerbody: Animation of a Capillary
This site from Innerbody.com has an amazing animation of how a capillary works; there is even a detailed description to help understand the process.
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.
Science4Fun
Science4 Fun: Photosynthesis
What is photosynthesis? Discover how plants absorb ingredients, the phases of the process, and the importance.
Other
Biology at Clermont College: The Respiratory System
What do you know about the respiratory system? This site gives a detailed description of this integral human body system. Don't miss out.
Science Fun for Everyone
Science Fun: Explode a Bag
Science activity shows what happens when a bag can't hold any more carbon dioxide.
Science Fun for Everyone
Science Fun: Orange Fizz
Science activity shows what happens when an orange or clementine is mixed with baking soda. Links to video of the experiment.
Science Fun for Everyone
Science Fun: Invisible Extinguisher
Science activity shows how a candle is extinguished invisibly,
Science Fun for Everyone
Science Fun: How to Make a Volcano
Watch Scientist Joe make a volcano using common household products in this video presentation.
Science Fun for Everyone
Science Fun: Cool Off Volcanoes
Build your own volcano and make it erupt with this science experiment!
Science Fun for Everyone
Science Fun: Vinegar Pops
See what happens when you dip a popsicle made of vinegar into a plate of baking soda in this science experiment.
Science Fun for Everyone
Science Fun: Dancing Hearts
Watch conversation hearts dance with this hands-on experiment. Links to video of the experiment.
Curated OER
Air Pollution
This article discusses how the United States is to blame for much of the world's pollution, along with some possible steps that could be taken by the government to reduce this.