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Earth Science Ch 23 sec 1&2
earth science ch 23
19
Science
8th Grade
01/23/2012

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Term
SPHERE
Definition
A ROUND THREE DIMENSIONAL OBJECT
Term
AXIS
Definition
THE IMAGINARY LINE AROUND WHICH THE EARTH SPINS
Term
ROTATION
Definition
SPINNING OF EARTH ON ITS IMAGINARYN LINE , WHICH TAKES ABOUT 24 HOURS TO COMPLETE AND CAUSES DAY AND NIGHT TO OCCUR
Term
REVOLUTION
Definition
EARTH'S YEARLONG ELIPTICAL ORBIT AROUND THE SUN.
Term
ELLIPSE
Definition
ELONGATED, CLOSED CURVE THAT DESCRIBES EARTHS YEARLONG ORBIT AROUND THE SUN
Term
SOLSTICE
Definition
THE DAY WHEN THE SUN REACHES ITS GREATEST DISTANCE NORTH OR SOUTH OF THE EQUATOR.
Term
EQUINOX
Definition
OCCURS WHEN THE SUN IS DIRECTLY ABOVE EARTH'S EQUATOR
Term
MOON PHASE
Definition
THE DIFFERENCE FORMS THAT THE MOON TAKES IN ITS APPEARANCE FROM EARTH
Term
NEW MOON
Definition
OCCURS WHEN THE MOON IS BETWEEN EARTH AND THE SUN AND THE MOON CAN NOT BE SEEN
Term
FULL MOON
Definition
OCCURS WHEN ALL OF THE MOONS SURFACE FACING EARTH REFLECTS LIGHT
Term
WAXING
Definition
MORE OF THE ILLUMINATED HALF OF THE MOON CAN BE SEEN
Term
WANING
Definition
DESCRIBES PHASES THAT OCCUR AFTER A FULL MOON, AS THE VISIBLE LIGHTED SIDE OF THE MOON GROWS SMALLER. YOU SEE LESS OF THE MOON'S ILLUMINATED SIDE
Term
WAXING
Definition
Term
FULL MOON
Definition
ALL OF THE EARTH'S SURFACE FACES EARTH AND CAN BE SEEN
Term
SOLAR ECLIPSE
Definition
OCCURS WHEN THE MOON MOVES DIRECTLY BETWEEN THE SUN AND THE EARTH AND CASTS ITS SHADOW OVER PART OF THE EARTH
Term
MARIA
Definition
DARK COLORED FLAT REGIONS OF THE MOON
Term
WAXING GIBBOUS
Definition
MORE THAN ONE QUARTER IS VISIBLE
Term
FIRST QUARTER PHASE
Definition
HALF THE LIGHTED SIDE OF THE MOON IS VISIBLE
Term
UMBRA
Definition
DARKEST PART OF THE SHADOW WHEN A TOTAL ECLIPSE OCCURS
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