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WorksheetsKepler's First Law Assignment
Total questions: 20
Worksheet time: 24mins
Name
Class
Date
1.
A perfect circle has an eccentricity of ______.
a)
0
b)
.99
c)
1
d)
2
2.
The flattest ellipse before it becomes a line will have an eccentricity of _______.
a)
0
b)
.99
c)
1
d)
2
3.
The period of the earth's orbit around the sun is ____.
a)
1 day
b)
1 year
c)
24 hours
d)
364 hours
4.
Which diagram shows a planet with the least eccentric orbit?
a)
1
b)
2
c)
3
d)
4
5.
Calculate the eccentricity for the following orbit.
a)
1.6
b)
0.8
c)
0.6
d)
1.2
6.
If an orbit has an eccentricity value of "0", what shape is it?
a)
perfectly circular
b)
perfectly flat
c)
very oval/elliptical
d)
slightly oval/elliptical
7.
Which orbit is most eccentric?
a)
1
b)
3
c)
4
d)
5
8.
What is eccentricity?
a)
a measurement of how elliptical an orbit is.
b)
a measurement of the distance between the planet and the sun
c)
a measurement of how long the planet takes to rotate around the sun
d)
none of these
9.
What shape are the orbits of all planets in our solar system?
a)
circular
b)
cylindrical
c)
elliptical
d)
none of these
10.
An ellipse is drawn around two points called
a)
aphelion
b)
perihelion
c)
foci
d)
axis
11.
When a planet orbits the Sun, one of the foci of the elliptical orbit is
a)
the axis
b)
the perihelion
c)
the center
d)
the Sun
12.
Kepler's first law states that the orbits of the planets are oval in shape or
a)
ellipses
b)
perfect circles
13.
The path a planet travels around the sun is called its
a)
orbit
b)
ellipse
c)
barycenter
d)
precession
14.
What is the eccentricity of this ellipse?
a)
3.00
b)
4.00
c)
.25
d)
0.33
15.
As distance between the foci increases the eccentricity
a)
increases
b)
decreases
c)
remains the same
d)
decreases than increases
16.
Which object would have an eccentricity closest to 0?
a)
Red
b)
Green
c)
Blue
d)
Yellow
e)
Pink
17.
The value of the eccentricity of ANY orbit can range from ________ to ________.
a)
0.1 to 0.9
b)
-1 to 0
c)
0 to 100
d)
0 to 1
18.
Of the following planets, which planet has the most elliptical orbit?
a)
Earth
b)
Mercury
c)
Venus
d)
Mars
19.
Of the following planets, which planet has the least elliptical orbit?
a)
Saturn
b)
Mercury
c)
Juptier
d)
Uranus
20.
Label the parts of the orbit.
a)focal length
b)semi-minor axis
c)Semi-major axis
d)Sun
e)nothing
1
2
3
4
5
1)
2)
3)
4)
5)
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