7th Grade ELA – Post-test Assessment 4
You will be taking the Grade 7 English Language Arts/Literacy Post-test.
You will be asked to read a passage. Read the passage and all the questions carefully. Some questions will ask you to choose one correct answer, while others will ask you to choose more than one correct answer. You may look back at the passage when needed.
To answer a question, click on the circle or circles of the correct answer.
Read the passage “Five Things About NASA’s Mars Curiosity Rover.”. Then answer the questions.
Five Things About NASA’s Mars Curiosity Rover
by Courtney O’Connor
1 Mars Science Laboratory, aka Curiosity, is part of NASA’s Mars Exploration Program, a long-term program of robotic exploration of the Red Planet. The mission is scheduled to launch from Cape Canaveral, Fla., in late 2011, and arrive at an intriguing region of Mars in August 2012. The goal of Curiosity, a rolling laboratory, is to assess whether Mars ever had an environment capable of supporting microbial life and conditions favorable for preserving clues about life, if it existed. This will help us better understand whether life could have existed on the Red Planet and, if so, where we might look for it in the future.
2 How Big Is It?: The Mini Cooper-sized rover is much bigger than its rover predecessors, Spirit, Opportunity and Sojourner. Curiosity is twice as long (about 2.8 meters, or 9 feet) and four times as heavy as Spirit and Opportunity, which landed in 2004. Sojourner, about the size of a microwave oven, landed in 1997 as part of the Mars Pathfinder mission.
3 Landing—Where and How: Curiosity will land near the foot of a mountain taller than Pike’s Peak near the middle of Gale Crater, which is the size of Connecticut and Rhode Island combined. The landing system is similar to a sky crane heavy-lift helicopter. After a parachute slows the rover’s descent toward Mars, a rocket-powered backpack will lower the rover on a tether during the final moments before landing. This method allows landing a very large, heavy rover on Mars (instead of the airbag landing systems of previous Mars rovers). Other innovations enable a landing within a smaller target area than previous Mars missions.
4 Toolkit: Curiosity will use 10 science instruments to examine rocks, soil and the atmosphere. A laser will vaporize patches of rock from a distance, and another instrument will search for organic compounds. Other instruments include mast-mounted cameras to study targets from a distance, arm-mounted instruments to study targets they touch, and deck-mounted analytical instruments to determine the composition of rock and soil samples acquired with a powdering drill and a scoop.
5 Big Wheels: Each of Curiosity’s six wheels has an independent drive motor. The two front and two rear wheels also have individual steering motors. This steering allows the rover to make 360-degree turns in-place on the Mars surface. The wheel’s diameter is double the wheel diameter on Spirit and Opportunity, which will help Curiosity roll over obstacles up to 75 centimeters(30 inches) high.
6 Rover Power: A nuclear battery will enable Curiosity to operate year-round and farther from the equator than would be possible with only solar power.
From Five Things About NASA’s Mars Curiosity Rover by Courtney O’Connor; NASA—Public Domain
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What does the word innovations mean as it is used in paragraph 3?CorrectIncorrect
Which two phrases from paragraph 3 help the reader understand the meaning of innovations?CorrectIncorrect
Why did NASA most likely build a more advanced rover to explore Mars?CorrectIncorrect
Which quotation from the article supports the answer to Part A?CorrectIncorrect
What is the author’s purpose for writing this article?CorrectIncorrect
Which two sentences from the article help readers understand the author’s purpose?CorrectIncorrect
Which statement expresses a central idea of the article?CorrectIncorrect
How does the author develop the central idea over the course of the article?CorrectIncorrect
How will NASA’s creation of the Mars Curiosity rover help with the study of possible life on Mars?CorrectIncorrect
Which sentence from the article supports the answer to Part A?CorrectIncorrect