SCORE
(5 pts max)
ASTRONOMY 2
THIRD HOUR SESSION “M”
NAME
VIDEO: “Life Beyond Earth – Are We Alone?”
and Review DATE ID#
1. According to the program, how many times has the Sun gone around the
galaxy since life existed on Earth?
2. What are the three things needed for life on Earth?
3. How old are the earliest fossils found on Earth ?
4. If the history of the Earth is represented by 5 kilometers in length, how long is
the existence of human beings?
5. What did James Cook observe in Tahiti in 1769 that helped measure the
distance from the Earth to the Sun?
6. The data storage capacity of a single sunflower seed is equal to about how
many books?
7. Venus and Mars, like Earth, are found in what life-giving region around the
Sun?
8. How long ago did Venus appear to “turn itself inside-out” with vigorous
volcanic activity?
9. The large volcanoes on Mars suggest what about Mars’s current geological
activity?
10. What spacecraft landed on Mars twenty years after the Viking probes?
