Shared Flashcard Set

Details

Pages 6-7
Chapter One Section One
9
Science
7th Grade
09/20/2010

Additional Science Flashcards

 


 

Cards

Term
Native Americans
Definition
Skiled observers who created buildings aligned with objects in the sky.
Term
Babylonians
Definition
Located and watched the movement of the sun, stars, and moon.
Term
Nabta
Definition
The Earliest record of astronomy
Term
Stonehenge
Definition
A circle of stones aligned with solstices.
Term
Greeks
Definition
They used the sky to keep track of time.
Term
Arabs
Definition
Invented astrolabe, algebra, and number system used today.
Term
Chinese Cultures
Definition
-named 800 stars
-predicted eclipses
Term
Summer Soltice
Definition
-longest day of the year (most sunlight)
-Sunlight decreases after soltice.
-First day of summer (June 21st)
Term
Aristotle
Definition
-Greek
-Explained phases of the moon
-explained how/why eclipses happen.
-proved that Earth was a sphere
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