Rover Coder
Drive a Mars rover
Sizemology
Resize objects until they're the correct relative size.
Planet Families 2
Build a solar system in 3d.
Matter Sorter
Is it a solid, liquid, gas, or plasma?
Fly to Mars
Launch a spacecraft from Earth to Mars and back again.
Silly Scripts
Write a silly story
What if it hit my town?
Drop a rock on someone
Near and Far
Arrange objects from closest to farthest.
How Big are Martian Features?
Drop objects onto the surface of Mars.
Small and Large
Arrange objects from smallest to largest.
Magneto Mini Golf
Play golf with charged particles.
Looking for Life
See if you can recognize life.
Winogradsky Column
Create a bacterial community.
Solar Vision
Look at the Sun in different ways.
Our Place in Space
You are out there.
Planet Plunge
Send a probe into Jupiter's core
Can You Find...
Search for features on the surface of Mars.
Listening for Life
Are these sounds natural or intelligent?
Solar Maze: The Great Escape
Escape from cores of stars.
Space Challenge Quiz Show
Play some trivia
Wrath of Ra
Smack Earth with solar events.
Drake Equation
What are the chances that we're not alone?
Risky Business
Arrange dangers from lowest to highest
Earth or Mars?
Identify images by the planet they were taken on.
Planetary Pinball
Send balls along magnetic field lines
Magneto Bowling
Knock down pins with a proton ball.
Drive a Rover
The Sojourner/Pathfinder mission.