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