Mission Twinpossible

1. What is the biggest issue with sending astronauts to Mars?

• they could be too old to work after making the long journey

• they could get sick from living together

• their bodies could be injured during the landing

• their health could be affected by spending a long time in space

2. What is one thing that Scott and Mark Kelly have in common?

• they both will set a single-mission record

• they both want to take a future trip to Mars

• they both have been to space in the past

• they both will perform experiments in space

3. Why are Mark and Scott Kelly perfect for NASA's study?

• one twin has been on more missions than the other, so comparing them will help NASA determine the effects of space on the body

• they have both been to space, so they have experienced identical physical changes to their bodies in the past

• they are biologically identical and are the same age, so differences in their body during the next year will likely be caused by space

• one twin has retired, so his body will likely show different physical changes than the twin who is still going to space

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4. What do the details in the article suggest most clearly about life on the International Space Station?

• There is free time to do leisure activities

• it is lonely because there is often no one to talk to

• there is a high level of danger and stress

• It is impossible to stay physically fit because of tight quarters

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5. Which of the following is an example of an endurance test?

• taking a pop quiz about something you learned?

• finishing a challenging physical fitness course

• checking to see if the tires on your bike need air

• conducting an experiment to see if an idea is correct

6. What is the meaning of the Latin root dur?

• to see

• to take

• to last

• to carry

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7. In the article which detail best supports the inference that the trip to the International Space Station is risky?

• Scott's brother is not joining him on the trip

• The phone connection from the space station can be unpredictable

• Scott will spend his days doing science experiments

• People's bones get brittle and their sense of balance changes in space

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8. Which sentence best states the central idea of the article?

• Mark and Scott Kelly have had many adventures in space during their lives.

• NASA hopes to learn from Mark and Scott how long-term space travel affects health

• NASA wonders whether going into space could have an effect on the human body.

• Scott will spend a year on the International Space Station with various other astronauts

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9. Which inference can you make based on the key details from the article?

• Russian cosmonauts have spent more time in space than American astronauts have

• Other astronauts have a brother or sister who has also gone to space

• Some astronauts who spend six months in space experience no physical changes

• No American astronaut has ever been in space for a year

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10. Based on information from the article, what is the goal of NASA's experiment?

• to separate the effects of aging from the effects of space

• to determine why some people are better suited for space than others

• to learn whether people with genetic illnesses can survive in space

• to identify strategies that prevent astronauts' bodies from being damaged

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