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The Earth’s Orbit
ES 2: I can explain that Earth is one of several planets to orbit (revolve and circle) the sun, and that the moon orbits Earth.
Earth’s Orbit (Revolution)
• Elliptical- oval
• Orbit is around the sun
• Takes 365 ¼ days to complete its orbit
• Earth is traveling at 67,000 mph while it orbits
• Tilt of the axis makes seasons
What shape is the Earth’s orbit?
0%
0%
0%
0% 1. Square
2. Elliptical
3. Triangular
4. Circular
0 of 30
How long does it take Earth to make one complete revolution around the sun?
0 of 30
0%
0%
0%
0% 1. 24 hours
2. 365 days
3. 31 days
4. 7 days
The Sun is at the center of our solar system. Which of the following best
describes our Sun?
0%
0%
0%
0% 1. Galaxy
2. Meteorite
3. Planet
4. Star
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When the Northern Hemisphere has spring, what is the season in the
Southern Hemisphere?
Win
ter
Sprin
g
Sum
mer
Fal
l
0% 0%0%0%
1. Winter
2. Spring
3. Summer
4. Fall
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What causes the seasons on Earth?
Ear
th’s
revo
lutio
n an
d ...
Ear
th’s
rota
tion a
nd til
...
Ear
th’s
rota
tion a
lone
Ear
th’s
revo
lutio
n al
one.
0% 0%0%0%
1. Earth’s revolution and tilt of the axis
2. Earth’s rotation and tilt of the axis
3. Earth’s rotation alone
4. Earth’s revolution alone.
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