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