Ice Resevoirs Found on Mars

Advice: Read the text and listen to the audio several times before answering the questions.  If you can, don't look at the text while answering the questions.

1. A dramatic discovery most likely means:
a. an awful discovery
b. a dangerous discovery
c. a spectacular discovery

2. A sensor is a scientific instrument that measures changes in heat, light, etc.
true false

3. Frozen water has been found only under a small area of the surface of Mars.
true false

4. "A great swath" is:
a. a huge bug
b. a large mass of frozen water
c. a large area

5. If someone is puzzled he or she is:
a. baffled or confused
b. stressed out
c. tired

6. If you cling on to something you hold onto it tightly.
true false

7. If the water on Mars were to melt:
a. Mars would be a desert. 
b. Mars would be completely covered by it.
c. Mars would be impossible to explore.

8. Find a synonym for speculate:
a. worry
b. to be without doubt
c. reflect

9. If you beckon something, you:
a. make fun of it.
b. you prevent it.
c. signal it.

10. A scientific top priority is searching for life on Mars.
true false

Your score is : 

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