Retrieval
What are meteorites?
Meteorites are…
Meteorites are rocks that have fallen to Earth from outer space.
What does the word remote mean in the text?
The word “remote” means…
The word “remote” means far away and difficult to reach.
Why did the robot need strong wheels and a sturdy frame?
The robot needed strong wheels and a sturdy frame because…
The robot needed strong wheels and a sturdy frame because it had to travel over rough ground and long distances.
How did Nomad help scientists?
Nomad helped scientists by…
Nomad helped scientists by finding meteorites and sending information back to them.
Where and why did the scientists send the robot to search?
The scientists sent the robot to…in order to...
The scientists sent the robot to Antarctica in order to search for meteorites.
What does rough ground suggest about the land?
“Rough ground” suggests…
“Rough ground” suggests the land is uneven and difficult to travel on.
Why did scientists add heaters to the robot?
The scientists added heaters because…
The scientists added heaters because Antarctica is very cold and the robot’s computers needed to stay warm.
How is Nomad different from a normal robot?
Nomad is different from a normal robot because…
Nomad is different from a normal robot because it can search on its own and identify meteorites without human control.
What did Nomad use to tell if a rock was a meteorite?
Nomad used...
Nomad used a spectrometer to tell if a rock was a meteorite.
What does the word environment mean in this text?
In this text, “environment” means…
In this text, “environment” means the surroundings or conditions where something operates.
Why might Antarctica be a good place to find meteorites?
Antarctica is a good place to find meteorites because…
Antarctica is a good place to find meteorites because the ice makes it easier to spot rocks that have fallen from space.
Why is the robot described as a “hero” at the end?
The robot is described as a hero because…
The robot is described as a hero because it successfully found meteorites that helped scientists learn more about space.