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Topic 1: Reactions in Aqueous Solutions

Test tubes with colourful liquids

Evidence of Chemical Change

Learn how to tell if a chemical reaction has taken place.

Heating a liquid over a flame in a lab

Types of Chemical Reactions

Learn about the four main types of chemical reactions.

Electroplating equipment

Chemical Reactions: Conditions & Speeds

Learn about the special conditions that let some chemical reactions take place.

Solutioneers Episode 5 screen shot

The Solutioneers Week 5: Chemical Bonding

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

Platinum crystals

Catalytic Converters

Learn about how catalytic converters make vehicle emissions less harmful.

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 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?

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?

A melting world-shaped glacier

What is Ocean Warming and Why Does It Matter?

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

What happens when acids and bases mix?

What happens when acids and bases mix?

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

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.

A set of lipstick in various colours

The Chemistry of Lipstick

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

Bacteria can be used to generate electricity

Microbial Fuel Cells

In a few decades, some of the electricity you use might be generated by bacteria.

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!