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 * ﻿An example of aldehyde is the fragrance of flowers.
 * [[image:http://www.flower-wallpaper.info/wallpaper/Violet-Flower-1.jpg width="167" height="141"]] [|source]
 * Amide is often used in mosquito repelents.
 * [[image:http://www.mosquito.4t.com/images/splash9a.jpg width="93" height="199"]] [|source]
 * Carboxylic acid is the main ingrediant in vinegar.
 * [[image:http://3.bp.blogspot.com/_HUpqbKx04CU/SdEuorZpP3I/AAAAAAAABVw/fvqHEO1AA2A/s400/OT365193S.jpg width="196" height="200"]] [|source]
 * Esters are used in flavorings such as rum, bananas, apples, oranges, and rasberries.
 * [[image:http://www.beezodogsplace.com/wp-content/uploads/2011/03/Banana.jpg width="187" height="141"]] [|source] [[image:http://www.ishs.org/news/wp-content/uploads/2010/07/apple.jpg width="146" height="154"]][|source] [[image:http://aandhowareyou.files.wordpress.com/2011/01/orange.jpg width="164" height="142"]][|source]
 * Polymers
 * Polymers are molecules that repeat molecular units called monomers.
 * Monomers have anywhere from 4 to 100 atoms per molecule.
 * Although they are a simple structure, when they link together they form polymers.
 * Polymers have hundreds of thousands of atoms per molecule.
 * DNA proteins and the cellulose of plants are all made up of polymers.
 * [[image:http://www.djfeathers.com/shop/images/deposits/DNA.jpg width="224" height="195"]] [|source]
 * Man made polymers, or synthetic polymers can be used to make plastics.
 * <span style="font-family: 'Comic Sans MS',cursive; font-size: 200%; overflow: hidden;">There are two types of synthetic polymers.
 * <span style="font-family: 'Comic Sans MS',cursive; font-size: 200%; overflow: hidden;">Page 9
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