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