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