Click on the title to take it online or click on PDF to print it.
#31: Shuttle ALT (medium) PDF
#30: Skylab Astronauts (medium) PDF
#29: Skylab (easy) PDF
#27: Name the Shuttle Mission (medium) PDF
#26: Spacewalks (medium) PDF
#25: Military Launch Ranges (medium) PDF
#24: Hexagon (medium) PDF
#23: Animals in Space (medium) PDF
#22: For Fledgling Enthusiasts (very easy) PDF
#21: Astronomy III (easy) PDF
#20: Astronaut Trivia (medium) PDF
#19: Astronomy II (easy) PDF
#18: The Apollo Program (medium) PDF
#17: International Space Station (easy) PDF
#16: Canadian Space History (hard) PDF
#15: Women in Space (medium) PDF
#14: Early Astronauts (medium) PDF
#13: Astronomy (easy) PDF
#12: Commercial Space (medium) PDF
#11: Project Upward (hard) PDF
#10: Jack Lousma, STS-3 Commander (medium) PDF
#9: More Firsts in Space (medium) PDF
#8: Firsts In Space (easy) PDF
#7: Nuts and Bolts (medium) PDF
#6: Walter Cronkite and the Space Race (medium) PDF
#5: Space Medicine: Mercury-Apollo (medium) PDF
#4: Nuts and Bolts (easy) PDF
#3: Apollo 11 (medium) PDF
#2 Apollo 11 (easy) PDF
#1: The First In-Flight Fatality (medium) PDF
Interested in sponsoring a challenge? Contact us through our online form or via email for details.