Science | Physical Science | Chemical Processes and Tests

Chemical processes and tests allow chemists to ascertain the properties of various substances. By utilizing chemical processes and tests, scientists can look at life on the atomic level. Click here to find some articles on chemical processes and tests.


What's a monomer?

What's a monomer?

Monomers are small molecules that are the foundation for much bigger things. Learn more about monomers at HowStuffWorks. See more »

What's a polymer?

What's a polymer?

Polymers are the basic components in so many of the products we use each day. Learn how more about how polymers work. See more »

What is Avogadro’s number?

What is Avogadro’s number?

Avogadro's number is a key component in the study of chemistry. Learn about the origin and impact of Avogadro's number at HowStuffWorks. See more »

How Mass Spectrometry Works

How Mass Spectrometry Works

Mass spectrometry is an aspect of science that could finally put the steroid era of baseball to an end. Learn about mass spectrometry. See more »

How Human Experimentation Works

How Human Experimentation Works

Human experimentation is a concept related to scientific testing. Learn about human experimentation in this article from HowStuffWorks. See more »

What if someone released a large amount of helium into a small space?

What if someone released a large amount of helium into a small space?

If you released helium into a small space, would everyone talk funny? Read this article to find out if you would talk like Donald Duck, or if it's dangerous. See more »

What if I touched dry ice?

What if I touched dry ice?

What if I touched dry ice? Is it hot or cold? Is it actually a solid? And would it leave a mark? See more »

What if I put aluminum foil in the microwave?

What if I put aluminum foil in the microwave?

What if I put aluminum foil in the microwave? Will the microwave explode if I put aluminum foil in? See more »

What is Ricin?

What is Ricin?

A man lay in critical condition on Feb. 29, 2008, after the biotoxin ricin was found in his hotel room. Find out what ricin is and what it does to the body. See more »

How Luminol Works

How Luminol Works

You know on crime shows when they spray some stuff on a "clean" carpet and suddenly -- blood stains! This crime scene tool actually exists. Find out how luminol reveals the blood. See more »