Space RI Task

In "Mars on Earth" the author uses the word "simulate". Which sentence uses simulate in a similar way.

• I want to simulate my data on a graph.
• The Marines had to make their own shelters to simulate what it would be like to live in a desert climate
• They took a practice test to simulate what it will be like on the FSA
• They counted all of the pieces and had a simulate of about 45 pieces

In the article "Mars on Earth", why did the scientist and astronauts choose Hawaii?

• Because most of the scientists had their laboratories located there
• The terrain was most similar to what Mars would be like
• The lava on Hawaii was similar to the lava found on Mars
• The scientist wanted to astronauts to practice somewhere it would be very hot

In the article "Mars on Earth" why do the astronauts wear their suits on Earth?

• Because they look cool and they want to collect data
• Because the scientist want to replicate the gravity on Mars
• Because the scientist want to see how humans will walk on Mars
• The astronauts need to practice using their suits and simulate the conditions on Mars

What is the main idea of the article "Catching a Comet"?

• Scientist want to study asteroids
• Scientist landed a probe on a comet
• Scientist built a probe called Rosetta
• Scientist want to catch comets and bring them to Earth

According to the article "Catching a Comet", why did scientist want to land a probe on a comet?

• To learn more about how the planets were created
• to learn how comets interact with the sun
• to study about how comets are formed
• to track the comet as it travels through space

In the article "Catching a Comet" one of the mission managers says "There's almost disbelief in your own brain that it's on the surface and working". This quote tells the reader that ____.

• The scientists are mad that other people questioned their mission
• The scientist are shocked that comets are close enough to Earth
• The scientists are shocked that they successfully landed a probe on a comet 
• The scientist are shocked that humans will soon be able to travel on comets

In "Mapping the Milky Way" the author says "Still, the scientists identified only a fraction of the hundreds of billions of stars in our galaxy." Why did they use the phrase "a fraction" 

• they use the phrase "a fraction" to show that only a small piece has been identified
• they use the phrase "a fraction" to show that there is a lot of math that goes into researching the stars.
• they use the phrase "a fraction" to show that there are only a few stars left to identify

What sentence should be included in a summary about the article "Mapping the Milky Way"

• They used a giant telescope that's 1 million times as strong as the human eye.
• Compared with the quarter, the Milky Way would be the size of the United States
• In the fall they published a catalog of 219 million stars.

How are the articles "Catching a Comet" and "Mapping the Milky Way" similar?

• They are both about studying comets in the Solar System
• They both are looking at objects within our Solar System
• They are two research programs studying things within our galaxy 
• They are studying things that humans will be able to visit in the near future

In the article "Mapping the Milky Way" why did the author most likely choose that picture for this article?

• To show what spiral galaxies look like
• to show how big the galaxy is
• to show how far away the Solar System is from the center of the galaxy 
• to show where our Solar System is located in the galaxy