Evidence of Chemical Change
Learn how to tell if a chemical reaction has taken place.
Chemical Reactions: Conditions & Speeds
Learn about the special conditions that let some chemical reactions take place.
Catalytic Converters
Learn about how catalytic converters make vehicle emissions less harmful.
Why Do Apples Turn Brown After You Cut Them?
Has your fresh juicy apple turned an unsightly brown? Learn about the redox reaction behind the transformation.
What happens when acids and bases mix?
Learn about acid-base reactions. Make you own pH indicator and test it with different solutions.
Microbial Fuel Cells
In a few decades, some of the electricity you use might be generated by bacteria.
How can you make popcorn kernels dance?
Get your popcorn kernels dancing with this uplifting chemical reaction.
How can I stop bananas from turning brown?
Explore the chemistry behind why bananas turn brown. Can chemistry also help prevent this?
How does a lithium-Ion battery work?
Learn about the electrochemistry in the batteries that power many of the devices you use every day.