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Acids & Bases

Heating a liquid over a flame in a lab

Types of Chemical Reactions

Learn about the four main types of chemical reactions.

Solutioneers Episode 5 screen shot

The Solutioneers Week 5: Chemical Bonding

This week's episodes and hands-on activity explore some cool chemistry!

Woman having a panic attack

Chemical Equilibrium and Panic Attacks

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.

Cartoon leaf holding an umbrella over baby plant

What is Acid Rain?

Acid rain is any precipitation that has an unusually low pH. It can be rain, snow, fog, etc. But what is a low pH and why is this a problem?

Browning apple

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.

Cartoon of people cleaning teeth

How can chemistry help you take care of your teeth?

What are your teeth made up of? What chemistry is at work in your mouth? Why do some people get cavities even if they brush regularly?

Is there a difference between baking powder and baking soda?

Is there a difference between baking powder and baking soda?

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

How do I construct a terrarium?

How do I construct a terrarium?

You can make your own terrarium for growing plants!

How can I stop bananas from turning brown?

How can I stop bananas from turning brown?

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

How can you make popcorn kernels dance?

How can you make popcorn kernels dance?

Get your popcorn kernels dancing with this uplifting chemical reaction.

How does rain become acidic?

How does rain become acidic?

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

What are the effects of acid rain on rocks?

What are the effects of acid rain on rocks?

Learn about the chemical reaction that happens between acid rain and limestone.

What are curds and whey?

What are curds and whey?

It starts with curds and whey! Explore the basic chemistry behind making cheese in this hands on activity.

How can I write secret messages?

How can I write secret messages?

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