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Unit 5-1

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

began   started or did  
Earth   the planet we live on  
remember   you call it back to your mind  
try   to set out to do something if you can  
astronauts   people trained to travel in a spacecraft or work in outerspace  
countdown   the act of counting aloud in the time remaining before an event  
rockets   jet-propelled tubes used to launch spacecrafts  
craters   hollow areas shaped like a bowl  
capsule   a compartment in a spacecraft  
circled   gone around something  
linked   to bring together; join  
history   all events of the past leading up to the present  


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Created by: jillc on 2008-02-14

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