Drive a Mars rover
Resize objects until they're the correct relative size.
Planet Families 2
Build a solar system in 3d.
Is it a solid, liquid, gas, or plasma?
Fly to Mars
Launch a spacecraft from Earth to Mars and back again.
Write a silly story
Magneto Mini Golf
Play golf with charged particles.
Can You Find...
Search for features on the surface of Mars.
Wrath of Ra
Smack Earth with solar events.
Look at the Sun in different ways.
Earth or Mars?
Identify images by the planet they were taken on.
Arrange dangers from lowest to highest
The Great Escape
Escape from cores of stars.
Listening for Life
Are these sounds natural or intelligent?
Looking for Life
See if you can recognize life.
Near and Far
Arrange objects from smallest to largest.
Send a probe into Jupiter's core
What are the chances that we're not alone?
Knock down pins with a proton ball.
Drop objects onto the surface of Mars.
Drive a Rover
The Sojourner/Pathfinder mission.
Play some trivia
Create a bacterial community.
Fly to Mars
Launch a spacecraft to Mars.
Small and Large
Arrange objects from closest to farthest.
Send balls along magnetic field lines
Our Place in Space
You are out there.