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Guide Index

Out of Thin Air

NASA's Way to Mars

Why Go to Mars?

We're on Our Way

Houston, We've Had a Problem!

Getting There

Viewer Challenge
in the classroom

Journey to Mars: Viewer Challenge Quiz

Here are the answers to the Scientific American Frontiers Show 902: Journey to Mars Viewer Challenge Quiz:

  1. b

  2. living off the land or using natural or local resources

  3. a

  4. particles of rocks and dust (meteorites) or space debris

  5. d

  6. fossilized Martian microorganisms

  7. bone and muscle loss, heart weakness

  8. VR or virtual reality

  9. centrifugal force feels like extra gravity

  10. b


Scientific American Frontiers
Fall 1990 to Spring 2000
Sponsored by GTE Corporation,
now a part of Verizon Communications Inc.