Curated OER
Preparation of Artificial Flavorings and Fragrances
Students prepare artificial flavorings and fragrances. For this esters lesson, students combine an acid and an alcohol of choice to make an ester. Water is released and they produce an artificial flavoring or fragrance. They answer 4...
Curated OER
Esters: The Secret of Natural and Synthetic Fragrances
Middle schoolers investigate esters, make an ester and detect esters in natural foods and plants. In this esters lesson plan, students detect smells of hidden objects, produce an ester using peas, brown sugar and apple and demonstrate...
University of Alberta
The University of Alberta: Detective O Chem
It has been discovered that an indigenous Australian plant possesses a compound that shows antiviral activity against the H5N1 virus. Your mission, should you accept it, is to identify the compound before a rival pharmaceutical company...
Royal Society of Chemistry
Royal Society of Chemistry: Gridlocks: Level 2
A collection of grid puzzles that cover a wide variety of topics in intermediate high school chemistry. These are excellent for topic review and reinforcement. The puzzles can be played online and also downloaded as worksheets. Answers...
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Molecular Structures: Esters
Investigate the structure of ethyl butanoate, a common ester, by manipulating a 3-D model. View the molecule from all sides and also visit the links to animations, tutorials, and power points about other chemistry topics.
Wikimedia
Wikipedia: Ester
Wikipedia entry for the chemical compound ester. Includes naming conventions, properties, reactions, and the like.