Unit A: Applications of Matter and Chemical Change

Learn about acid-base reactions. Make you own pH indicator and test it with different solutions.

What is the nitrogen cycle? How do human activities such as using fertilizer affect the nitrogen cycle? How can this cause greenhouse gases?

Learn about the organic compounds that make up lipstick as well as about some of the chemistry that goes into this popular cosmetic.

Dmitri Mendeleev’s version of the periodic table was brilliant - find out why!

The life and death of stars form the chemical elements that make up Earth, making stars critical to life as we know it.

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?

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.

Explore acid-base chemical reactions that really get things bubbling in the kitchen!

Hydrogen’s tendency towards combustion is what makes it both a dangerous chemical element and a useful energy source.

Learn how to make a pH indicator and test water samples.

Explore the chemistry behind why bananas turn brown. Can chemistry also help prevent this?

Learn how you can write and reveal secret messages in this hands-on chemistry activity.

Get your popcorn kernels dancing with this uplifting chemical reaction.

You can make your own terrarium for growing plants!

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.