What are Molecules?

Molecules are made up of two or more atoms, such as hydrogen and oxygen to make water, or sodium and chloride to make salt. Discover how molecules are formed with important facts from a science teacher in this free video on fundamental physics.

About the Author

Fiona Finke is a science teacher who likes to share her knowledge, because she feels that learning shouldn't stop once you leave the classroom. Science is everywhere, and Finke likes to explain how a better understanding of the universe helps us understand our daily lives.