Shared Flashcard Set

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EARTH, MOON, and SUN
Earth in Space
11
Science
6th Grade
06/06/2007

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Cards

Term
ASTRONOMY
Definition
the study of the moon, stars, and other objects in space
Term
EQUATOR
Definition
the imaginary line that divides the Earth in half
Term
AXIS
Definition
the imaginary line that passes through Earth's center and the North and South poles
Term
ROTATION
Definition
spinning of Earth on its axis
Term
REVOLUTION
Definition
the movement of one object around another object
Term
ORBIT
Definition
Earth's path around the sun
Term
LATITUDE
Definition
how far north or south of the equator a place is located
Term
EQUINOX
Definition
`"equal night", day and night are about the same length
Term
VERNAL EQUINOX
Definition
Spring Equinox, March 21-beginning of Spring
Term
AUTUMNAL EQUINOX
Definition
September 23-start of Fall
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