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WorksheetsEarth's Motions
Total questions: 13
Worksheet time: 8mins
Name
Class
Date
1.
Which term describes when the Earth spins on its axis.
a)
Rotation
b)
Revolution
c)
Kepler's Laws
d)
Precession
2.
Which type of motion causes night / day?
a)
Rotation
b)
Revolution
c)
Kepler's 1st Law
d)
Nutation
3.
Which term describes the time it takes for Earth to complete one circle around the sun.
a)
Rotation
b)
Revolution
c)
Kepler's 1st Law
d)
Barycenter
4.
Lasts 365 days
a)
Rotation
b)
Revolution
c)
Nutation
d)
Precession
5.
Lasts 24 hours
a)
Rotation
b)
Revolution
c)
Precession
d)
Barycenter
6.
Earth's orbit follows an elliptical path.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
7.
When Earth orbits around the sun, it slows down when it is close to the sun. It speeds up its orbit when it is further from the sun. This is because the sun's gravity is stronger when you are closer to it.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
8.
Planets further from the sun have an orbit that lasts MUCH longer than planets that are close to the sun.
Pluto's orbit lasts over over 90,000 days.
Mercury's orbit lasts 88 days.
Pluto's orbit lasts over over 90,000 days.
Mercury's orbit lasts 88 days.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
9.
When the moon revolves around the Earth, the Earth wobbles a little because the moon's gravity is tugging on it.
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
10.
The Earth's axis changes direction (but the angle does NOT change).
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
11.
Causes the stars to change direction in the sky (every 26,000 years)
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
12.
During precession, the Earth wobbles a little. This DOES change the angle of the axis.
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
13.
Causes seasons to be more dramatic.
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
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