Page 65 - Reading Success B9

7. You can conclude that
a. the Earth will never be struck by another asteroid
b. asteroids are the only possible cause of a species extinction

c. all loose asteroids eventually return to the asteroid belt
d. the Earth could be struck by an asteroid that people do not even know
about yet

8. Which of the following is a fact?

a. Asteroids are chunks of rock and metal.
b. The extinction of the dinosaurs was caused by an asteroid.
c. Asteroids were formed during the “Big Bang.”
d. An asteroid will hit Earth within the next decade.

9. What is the purpose of the third paragraph?
a. to discuss how asteroids are formed
b. to describe what asteroids are

c. to describe what would happen if an asteroid struck Earth
d. to describe how an asteroid collision could be avoided

10. In the passage what do the words human race mean?

a. a highly competitive foot race
b. the people of the Earth
c. all living creatures on Earth

d. the competition for human survival

True or False

Check “T” for true and “F” for false.

1. The Earth has never been struck by an asteroid. T F

2. It is unlikely that the Earth will be struck by an T F

asteroid within the next million years.

3. An asteroid larger than 1 kilometer would not cause T F

much damage if it struck Earth.

4. Most asteroids can be found in the asteroid belt. T F
5. An asteroid that is not within 8 million kilometers of T F

Earth cannot be classified as hazardous.

68_Reading Success B 9