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.
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.
Fueling Internal Combustion Engines
Backgrounders
Learn about the wide variety of fuels used in vehicles.
What speeds up a chemical reaction?
Hands-on Activities
Learn about the role of yeast in this fun decomposition reaction.
What are Greenhouse Gases?
Backgrounders
This backgrounder explains what greenhouse gases are and how they contribute to climate change.
What is an exothermic reaction?
Hands-on Activities
Things are heating up! Explore the temperature change that occurs in an exothermic reaction and the role of catalysts is this chemistry activity.
Stupendous Suds
STEM Explained
Every time you wash your hands with soap, there are complex chemical reactions taking place.
The History and Uses of Hydrogen
STEM Explained
Hydrogen’s tendency towards combustion is what makes it both a dangerous chemical element and a useful energy source.