Introduction to Green Chemistry
STEM Explained
Green chemistry is a field that looks at the sustainability of products and processes designed by people.
How Vehicles Pollute the Air
Backgrounders
Learn how vehicles affect air quality, including their contribution to smog.
Hydrogen Fuel Cell Vehicles
Backgrounders
Learn about vehicles that use hydrogen for fuel.
Shari Forbes (she/her/elle)
Career Profiles
Forensic Scientist
Types of Chemical Reactions
Backgrounders
Learn about the four main types of chemical reactions.
Evidence of Chemical Change
Backgrounders
Learn how to tell if a chemical reaction has taken place.
Chemical Reactions: Conditions & Speeds
Backgrounders
Learn about the special conditions that let some chemical reactions take place.
The Solutioneers Week 5: Chemical Bonding
Interactives
This week's episodes and hands-on activity explore some cool chemistry!
Catalytic Converters
STEM Explained
Learn about how catalytic converters make vehicle emissions less harmful.
Can Whales Really Explode?
STEM Explained
When deceased whales wash up on shore, people fear they might explode. Gas laws, decomposition reactions and organic chemistry can help us understand this fear.
Why Do Apples Turn Brown After You Cut Them?
STEM Explained
Has your fresh juicy apple turned an unsightly brown? Learn about the redox reaction behind the transformation.
What is Acid Rain?
STEM Explained
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?
Fueling Internal Combustion Engines
Backgrounders
Learn about the wide variety of fuels used in vehicles.
How can chemistry help you take care of your teeth?
STEM Explained
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?
What speeds up a chemical reaction?
Hands-on Activities
Learn about the role of yeast in this fun decomposition reaction.