Content Knowledge: CK 2.2

Has your fresh juicy apple turned an unsightly brown? Learn about the redox reaction behind the transformation.

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?

Learn about the wide variety of fuels used in vehicles.

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?

Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.

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

Water is a precious natural resource. What happens if it gets polluted? Learn how water can be cleaned with this hands-on activity?

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

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

Learn the organic chemistry behind this very useful plastic. Why is recycling polystyrene hard? Why does polystyrene often end up as solid waste?

Learn about the biochemistry of cooking meringue.

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

You can make your own terrarium for growing plants!

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

Discover how to use some common kitchen ingredients to make glue.