Meet Our Dwarf Planets
Backgrounders
Learn about the dwarf planets in our Solar System.
Testing Spacesuit Material
STEM Explained
Learn about a new material for spacesuits and the engineer who designed it.
The Outer Solar System
Backgrounders
Learn about the amazing planets and moons of the outer Solar System.
How can we land a model space probe?
Hands-on Activities
Design and build a model space probe.
Query a Career Profile
Lessons
Students will explore career profiles and relate them to what they are learning in science class.
Why does the Earth have Layers?
STEM Explained
An in-depth look at how the Earth got its layers.
Jamie Sevigny
Career Profiles
Management Engineer
Thomas Graham
Career Profiles
Research Scientist, Space Farming
Mike Dixon
Career Profiles
Professor and Director of CESRF
Why is it colder in the winter even though the Earth is closer to the Sun?
Hands-on Activities
Learn why we have seasons in this hands on activity.
What is your weight on another planet?
Hands-on Activities
Do you weigh the same on Jupiter as you do on Earth? Learn to calculate your weight on a different planet.
What would happen if a meteor hit Earth?
Hands-on Activities
Explore the effects of asteroid impacts in this hands on activity.
Temperature: On Earth and on the Space Station
Backgrounders
This backgrounder explains what temperature is, how it is measured, how it affects people, and how it is controlled on the International Space Station.
The Inner Solar System
STEM Explained
Earth is covered in rocks. So are Mercury, Venus, Mars and the Moon. Does that mean the rocky planets are all the same?
Moon: Phases
Picture Collections
8 images of different lunar phases showing the portion of the Moon lit by the Sun as the Moon orbits the Earth and as seen by us on Earth