2. This event occurred about _______ kilometers south of Barrow, Alaska. A. 12 B. 20 C. 22
3. At the time of the incident, some witnesses reported ____________. A. seeing a falling round object B. hearing a train-like sound C. observing a bright light
4. A similar event 65 million years ago led to the ___________. A. extinction of the dinosaurs B. evolution of the human race C. development of plant life
5. Astronomers have focused their work on ____________. A. discovering new life in space B. plotting the courses of asteroids C. developing radar telescopes
Score = Correct answers:
"If space travelers had to do without fresh water for very long, they wouldn't be able to survive."
"I'd travel to the moon at the drop of a hat if I had the chance."