What happens when acids and bases mix?
Hands-on Activities
Learn about acid-base reactions. Make you own pH indicator and test it with different solutions.
Understanding the Nitrogen Cycle
STEM Explained
What is the nitrogen cycle? How do human activities such as using fertilizer affect the nitrogen cycle? How can this cause greenhouse gases?
The Chemistry of Lipstick
STEM Explained
Learn about the organic compounds that make up lipstick as well as about some of the chemistry that goes into this popular cosmetic.
The Genius of Mendeleev's Table
STEM Explained
Dmitri Mendeleev’s version of the periodic table was brilliant - find out why!
The Life and Death of Stars
STEM Explained
The life and death of stars form the chemical elements that make up Earth, making stars critical to life as we know it.
The Newest Elements on the Periodic Table
STEM Explained
The periodic table was last updated in 2016 with four new chemical elements. What is a chemical element? What is the atomic structure of the newest chemical elements? How did they get their names?
Na Na Na Na (Hey Hey Hey) Sodium!
STEM Explained
Sodium is a useful chemical element. You consume it as table salt regularly. Learn about salt mining, sodium uses, and what problems too much sodium can cause.
Is there a difference between baking powder and baking soda?
Hands-on Activities
Explore acid-base chemical reactions that really get things bubbling in the kitchen!
The History and Uses of Hydrogen
STEM Explained
Hydrogen’s tendency towards combustion is what makes it both a dangerous chemical element and a useful energy source.
How can I stop bananas from turning brown?
Hands-on Activities
Explore the chemistry behind why bananas turn brown. Can chemistry also help prevent this?
How can I write secret messages?
Hands-on Activities
Learn how you can write and reveal secret messages in this hands-on chemistry activity.
How can you make popcorn kernels dance?
Hands-on Activities
Get your popcorn kernels dancing with this uplifting chemical reaction.
How do I construct a terrarium?
Hands-on Activities
You can make your own terrarium for growing plants!
How does rain become acidic?
Hands-on Activities
Learn how to make a pH indicator and test water samples.
Chemical Equilibrium and Panic Attacks
STEM Explained
Panic attacks are scary and they upset your body’s chemical equilibrium. Learn what happens to acids & bases in your circulatory system during a panic attack.