Build grammar skills using this activity and answer key for an article about the Mars Odyssey.
Activity Key
Uncorrected Text
In April 2001, the Mars Odyssey spacecraft blasted of toward planet, Mars. Odyssey hoped to observe changes to the planet through out its seasons. After discovering froze water, mapping the surface off the planet and run a safety check for future astronauts, Odyssey had completed all its' tasks. Then the spacecraft continued to orbit mars so it could help scientist learn more about the mysterious plant.
Answer Key
In April 2001, the Mars Odyssey spacecraft blasted off toward planet [DELETED comma] Mars. Odyssey hoped to observe changes to the planet throughout its seasons. After discovering frozen water, mapping the surface of the planet and running a safety check for future astronauts, Odyssey had completed all its [DELETED apostrophe] tasks. Then the spacecraft continued to orbit Mars so it could help scientists learn more about the mysterious planet.
Article by Gary Hopkins
Education World® Editor in Chief
Copyright © 2005 Education World
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