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B
C
D
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100
The number of days in one(1) Earth year
What is 365 days?
100
All planets ________________, but they do so at different speeds.
What is rotate?
100
What each planet rotates on
What is its axis?
100
Each planet __________ around the sun.
What is revolves?
100
Each planet's orbit follows a slightly _______________ path around the sun.
What is eliptical?
200
Planets farther from the sun move the ___________.
What is slowest?
200
The seasons change when the Earth __________ on its axis.
What is tilts?
200
When earth revolves around the sun its tilt is always ___________ degrees.
What is 23.5 degrees?
200
An eclipse occurs when one object passes into the _____________ of another object.
What is the shadow?
200
An eclipse can be either ____________ or ___________
What are solar or lunar?
300
A __________ eclipse involves the sun.
What is solar?
300
A ___________ eclipse involves the moon.
What is lunar?
300
The moon rotates on its __________ just as Earth does.
What is axis?
300
When little light reflected from the moon and you can only see a dim outline of its shape this is a _______ __________.
What is a new moon?
300
When you can see half the lighted side (right) the moon is in its __________ quarter.
What is first quarter?
400
When the moon reaches the side of Earth opposite the sun it is called a ___________ _________.
What is a full moon?
400
When you can see half the lighted side (left) the moon is in its __________ quarter.
What is third quarter?
400
After __________ days the moon is again between Earth and the sun so the dark side faces Earth again.
What is 29 1/2 days?
400
In 1609 Galileo proves that _________ also show phases.
What are planets?
400
The planets in the solar system are broken up into 2 groups the ___________ planets and the _______ planets.
What are outer planets and inner planets?
500
The inner planets include ___________, _________, _________, and ___________.
What are Mercury, Venus, Earth, and Mars.
500
Each inner planet as a ______, ______, ______, & _______.
What are core, mantle, crust & atmosphere?
500
Beyond the ________________ _________ are the outer planets.
What is the ateroid belt?
500
The outer planets include: __________, __________, __________, __________ & _______
What are Jupiter, Saturn, Uranus, Neptune & Pluto? (special note that Pluto is considered a dwarf planet)
500
Some of the outer planets are called ________ __________ because they have no solid surface.
What are gas giants?
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