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WorksheetsKepler's Laws
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Planets orbit the Sun in a shape called a(n)
a)
circle
b)
ellipse
c)
focus
d)
perihelion
2.
The place where a planet is closest to the Sun as it orbits the Sun is called the
a)
perihelion
b)
aphelion
3.
The place where a planet is farthest away from the Sun in its orbit around the Sun is called the
a)
aphelion
b)
perihelion
4.
Where is the planet moving faster
a)
Position A to B
b)
Position B to C
c)
Position H to I
d)
Position I to J
5.
Kepler's 2nd Law deals with
a)
the shape of the planets' orbits
b)
the speed/area the planet travels
c)
the length of time it takes the planet to orbit the sun
6.
A planet moves __________ when it is farthest from the sun.
a)
faster
b)
slower
7.
Kepler's first law states that the orbits of the planets are oval in shape or
a)
ellipses
b)
perfect circles
8.
The farther away a planet is from the sun, the _______ it takes it to orbit the sun once.
a)
longer
b)
shorter
9.
Which term describes when the Earth spins on its axis.
a)
Rotation
b)
Revolution
c)
Kepler's Laws
d)
Precession
10.
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
11.
Earth's orbit follows an elliptical path.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
12.
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
13.
The Earth's axis changes direction (but the angle does NOT change).
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
14.
A wobble back and forth
a)
Rotation
b)
Nutation
c)
Revolution
15.
What did Kepler discover about planets and their orbital speed?
a)
Planets closest to the Sun will orbit with the fastest orbital speed.
b)
Planets with the greatest mass will orbit the Sun with the fastest orbital speed.
c)
Planets furthest from the Sun will orbit with the fastest orbital speed.
d)
Planets with the least mass will orbit the Sun with the fastest orbital speed.
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