Auxin: Indole-3-Acetic Acid
Learners identify auxins from their structural formulas. They understand the process of refluxing in chemical synthesis. Students perform thin layer chromatography using silica gel plates to differentiate chemical substances.
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New Review Determination of the Acid Content of Vinegar (Acid-Base Titration Analysis)
Titration sounds impressive, but it is actually as simple as using a neutralization reaction to determine the concentration of an acid or base in a reaction. The final lesson in the seven-part series walks scholars through the titration...
9th - 12th Science CCSS: Adaptable
Acids, Bases, and Indicators—Colorful Chemistry
Lead the class in a colorful exploration of acids and bases as they learn to differentiate between the two. They identify common items considered acidic and basic, then explore their strengths and weaknesses. They titer solutions and...
7th - 12th Science
Exploring the Science of Automotive Air Bags
Learners provide evidence that a chemical reaction occurs between acetic acid and sodium bicarbonate. They also create a mock air bag and test their mock air bag during an egg-drop crash test and determine the maximum height that their...
8th - 9th Science
Auxin: Indole-3-Acetic Acid (AAA), A Hormone with Diverse Effects: Synthesis and Applications
Students synthesize Indole-3-Acetic acid from 3-indolylacetonitrile. In this biochemistry lesson, students determine the effect of different concentrations of IAA on lima beans. They explain how hormones help in plant development.
9th - 12th Science