1. How many space flights are each of the Space Shuttles designed to make? 50 100 150 200
2. How long does it take the Shuttle to reach orbit? 6.5 minutes 10 minutes 15.5 minutes 8.5 minutes
3. How long did it take the Apollo astronauts to get from Earth to the Moon? approximately 5 days approximately 5.5 days approximately 3.5 days approximately 2 days
4. How long does it take to orbit Earth? 60 minutes 120 minutes 90 minutes 180 minutes
5. How many orbits did John Glenn make on his first space flight? 3 2 1 0
6. How many sunrises can an astronaut see in one day? 2 10 16 6
7. How fast does Earth move in its orbit around the sun? 15 miles/second 20 miles/second 13 miles/second 18 miles/second
8. How does the gravity force on the Moon's surface compare with Earth's? 1/3 1/6 1/8 1/2
9. How does the gravity on Mars compare with Earth's? 1/2 1/4 1/3 1/6
10. What percent of Earth's surface is land? 30% 40% 50% 55%
