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