
Evidence of Chemical Change
Learn how to tell if a chemical reaction has taken place.
Learn about the special conditions that let some chemical reactions take place.
Learn about how catalytic converters make vehicle emissions less harmful.
Has your fresh juicy apple turned an unsightly brown? Learn about the redox reaction behind the transformation.
Learn about acid-base reactions. Make you own pH indicator and test it with different solutions.
In a few decades, some of the electricity you use might be generated by bacteria.
Get your popcorn kernels dancing with this uplifting chemical reaction.
Explore the chemistry behind why bananas turn brown. Can chemistry also help prevent this?
Learn about the electrochemistry in the batteries that power many of the devices you use every day.