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Mars and the Search for Life

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By Elaine Scott
Publisher HMH Trade
Mars and the Search for Life
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Despite the fondest desires of science fiction fans, everyone knows Mars isnt inhabited by little green men. In fact, Mars is a desolate, hostile world, with unbearably cold temperatures, no atmosphere to speak of, and violent dust storms. But could there ever have been life there, in some form? And if so, what happened to it? And could life exist there again one day? Maybe even human life? Elaine Scott takes readers on a journey through history and space and then into an exciting future as she explores the growing body of evidence that waterand therefore the potential for lifewas present on Mars at one time. Even more titillating, the possibility of human habitation now hovers on the horizon, maybe within the next 30 yearsan exciting prospect for young readers, some of whom may be among those first colonists.

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9994 words9,994 words
64 pages64 pages
Lexile NC1150LLexile NC1150L
Grade 3 to 7Grade 3 to 7
Age 8-12Age 8-12
Published 2008Published 2008

On Grade Vocabulary:

Hear it decal Hear it unmanned Hear it dramatization Hear it locale Hear it formulate Hear it hypothesize Hear it inter Hear it hematite Hear it habitable Hear it fumarole Hear it spectrometer Hear it theorize Hear it microbial Hear it tether Hear it circumnavigate Hear it refracting Hear it breathable Hear it payload Hear it curricula Hear it abrasion Hear it incandescent Hear it composite Hear it periscope Hear it optician Hear it pulsate Hear it speculate Hear it distilled Hear it spaceflight Hear it silica Hear it flyby Hear it rendition Hear it propulsion Hear it convex Hear it invaluable Hear it reentry Hear it inescapable Hear it concave Hear it watchmaker Hear it hysteria Hear it bedrock Hear it array Hear it barren Hear it geologic Hear it incorrect Hear it earthly Hear it panoramic Hear it abode Hear it vanguard Hear it faulty Hear it pathfinder Hear it extraterrestrial Hear it vivid Hear it meridian Hear it emit Hear it optical Hear it windswept Hear it planetary Hear it ascent Hear it niche Hear it infrared Hear it ambitious
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Challenge Words Vocabulary

Hear it unmanned Hear it dramatization Hear it locale Hear it hypothesize Hear it inter Hear it hematite Hear it habitable Hear it fumarole Hear it spectrometer Hear it microbial Hear it circumnavigate Hear it refracting Hear it breathable Hear it payload Hear it curricula Hear it abrasion Hear it incandescent Hear it composite Hear it periscope Hear it optician Hear it pulsate Hear it distilled Hear it spaceflight Hear it silica Hear it flyby Hear it propulsion Hear it convex Hear it invaluable Hear it reentry Hear it inescapable Hear it concave Hear it watchmaker Hear it hysteria Hear it bedrock Hear it geologic Hear it panoramic Hear it abode Hear it vanguard Hear it windswept
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Book ISBN:

9780618766956

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