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Activity
Science Buddies

Science Buddies: Do You Have the Willpower to Taste Something Sour?

For Students 3rd - 8th
Do try this mouth-puckering science fair project to find out if people of all ages love sour tastes, or if there a difference between the sour preferences of kids and adults. You might be able to sell creations of your own based on your...
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Handout
Simon Fraser University

Chem1 Virtual Textbook: Some Important Organic Acids

For Students 9th - 10th
Acting as an overview from the General Chemistry Virtual Textbook, this site explores a variety of organic acids including acetic acid, formic acid, oxalic acid, lactic acid, citric acid, ascorbic acid, and more.
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Handout
Clackamas Community College

Clackamas Community College: Citric Acid Cycle

For Students 9th - 10th
This is a great site on the citric acid (Krebs) cycle. Each step of the cycle is written in easy-to-understand language, accompanied with diagrams.
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Handout
Ohio State University

Ohio State University: Respiration

For Students 9th - 10th
Informative text is clearly written and supported by good illustrations and charts as well. A quiz is also provided at the bottom of the site.
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Lesson Plan
Science Education Resource Center at Carleton College

Serc:calculate the Molarity of Lemonade Solutions

For Teachers 9th - 10th
In this lab activity, students taste different samples of lemonade - rate them and then determine the molarity of sugar and citric acid in the lemonade.
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Unit Plan
Sophia Learning

Sophia: Krebs Cycle: Lesson 2

For Students 9th - 10th
This lesson will introduce the Kreb's cycle and explain how it is used to convert pyruvic acid into carbon dioxide. It is 2 of 6 in the series titled "Krebs Cycle."
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PPT
Sophia Learning

Sophia: Krebs Cycle: Lesson 3

For Students 9th - 10th
This lesson will introduce the Kreb's cycle and explain how it is used to convert pyruvic acid into carbon dioxide. It is 3 of 6 in the series titled "Krebs Cycle."
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Unit Plan
Sophia Learning

Sophia: Krebs Cycle: Lesson 1

For Students 9th - 10th
This lesson will introduce the Kreb's cycle and explain how it is used to convert pyruvic acid into carbon dioxide. It is 1 of 6 in the series titled "Krebs Cycle."