Microbial Fuel Cells
STEM Explained
In a few decades, some of the electricity you use might be generated by bacteria.
My Stem Cell Donation Story
STEM Explained
In April 2016, Let’s Talk Science volunteer Daniel Tarade donated stem cells to help a person who needed a stem cell transplant to survive. Learn what stem cells are, how and why people donate, and what Daniel’s experience was like.
Noise on Earth and on the International Space Station
Backgrounders
This backgrounder explains what noise is, how it is measured, and how it affects our hearing, wellness and more.
Is it possible to change water into cola?
Hands-on Activities
Explore the concept of displacement of fluids in this hands on activity.
It's a Bird, It's a Plane, It's... a Drone!
STEM Explained
Drones are very cool and very useful aircraft! This resource explains how drones stay in flight, and outlines some of their uses.
It's All in the Shape
Lessons
Students look for shapes in structures and then build and test different frame structures for strength and stability.
Keeping the Rink on Ice
STEM Explained
Learn about the chemistry of ice skating rinks, and the technology & engineering that lets us enjoy them indoors as well as outside.
Light on Earth and on the International Space Station
Backgrounders
This backgrounder explains what light is, how it is measured, and how it affects people on Earth and astronauts on board the International Space Station.
Humidity on Earth and on the Space Station
Backgrounders
Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.
Humidity on Earth and on the ISS
Backgrounders
Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.
Hydraulics 101
STEM Explained
Hydraulics power many of the large machines you see around you.
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.
How is Lenz's Law Used in Drop Tower Rides?
STEM Explained
How do magnetic fields help you get down safely from the top of a drop tower ride? Learn how electromagnetic induction works at the amusement park.
How is oil moved from one place to another?
Backgrounders
This backgrounder explains the four main ways that oil is moved over land and water.
Generating Electricity: Hydroelectric Power
STEM Explained
Learn how moving water can be used to generate electricity. This is called hydroelectric power generation.