1. What is the approximate age of the Universe?
a. 4.6 million years b. 4.6 billion years c. 13.5 million years d. 13.5 billion years
2. T - F When viewed from the north, all planets rotate in a counter clockwise direction.
3. How many stars are there in the Milky Way galaxy?
a. thousands b. hundreds of billions c. 1 d. 9
4. Our star, the Sun, is a yellow star with a surface temperature of ________ ° F.
a. 1,000 b. 11,000 c. 100,000 d. 1,000,000
5. Most asteroids have ____________ orbits and are found between _____ and Jupiter. (choose two answers)
a. regular b. irregular c. Earth d. Mars
6. The ancients believed these objects were stars that “grew hair”.
a. asteroids b. Giant fans c. meteors d. comets
7. The sun has a diameter of _____________ miles. (choose two answers)
a. 8,600 b. 86,000 c. 860,000 d. 1 solar diameter
8. T - F The Moon is a satellite.
9. A meteor is:
a. a flash of light
b. an asteroid
c. excess comet dust
d. all of the above
Match Section
a. a body that orbits a planet.
b. a body that orbits a star
c. “dirty” snowballs
d. a star and the objects that orbit that star
e. most of these “minor planets” are found between Jupiter and Mars
f. a hot ball of gas(plasma)
10. Star F
11. Asteroid E
12. Planet B
13. Satellite A
14. Star system D
15. Comet C
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