Chemistry is a big part of your everyday life. You find chemistry in daily life in the foods you eat, the air you breathe, your soap, your emotions and literally every object you can see or touch. Here's a look at some everyday chemistry.

Elements in the Human Body
[pic]Steve Allen, Getty Images

Your body is made up of chemical compounds, which are combinations of elements. While you probably know your body is mostly water, which is hydrogen and oxygen, can you name the other elements that make you... you?

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Chemistry of Love
[pic]Marianne Venegoni,

The emotions that you feel are a result of chemical messengers, primarily neurotransmitters. Love, jealousy, envy, infatuation and infidelity all share a basis in chemistry.

Why Onions Make You Cry
[pic]Marcelo Brito Filho

They sit there, so harmless-looking on the kitchen counter. Yet as soon as you cut an onion, the tears begin to fall. What is it in onions that makes them burn your eyes?

Why Ice Floats
[pic]Thomas Northcut, Getty Images

Can you imagine how different the world around you would be if ice sank? For one thing, lakes would freeze from the bottom. Chemistry holds the explanation for why ice floats, while most substances sink when they freeze.

How Soap Cleans
[pic]Sean Justice, Getty Images

Soap is a chemical that mankind has been making for a very long time. You can form a crude soap by mixing ashes and animal fat. How can something so nasty actually make you cleaner? The answer has to do with the way soap interacts with oil-based grease and grime.

Does Bottled Water Go Bad?
[pic]saw2th, Creative Commons

Food goes bad because of chemical reactions that occur between food molecules. Fats can become rancid. Bacteria grow that can make you sick. What about products that don't contain fat? Can bottled water go bad?

Fruits That Ruin Jell-O
[pic]MANOJTV, free documentation license

Jell-O is an example of a polymer that you can eat....