Focus On Physical Science: California Grade 8

Chapter 11: Our Solar System

Math Practice

1.
If the eccentricity of Neptune’s orbit is 0.0086, and half of the major axis, a is 450 x 1010 m, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)3.87 x 10exp9 m
B)3.87 x 10exp8 m
C)5.23 x 10exp14 m
D)3.87 x 1010 m
2.
If the eccentricity of Mercury’s orbit is 0.206, and half of the major axis, a is 0.387 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)0.593 AU
B)1.88 AU
C)0.532 AU
D)0.0797 AU
3.
If the eccentricity of Venus’ orbit is 0.007, and half of the major axis, a is 0.723 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)0.0097 AU
B)103.3 AU
C)0.00506 AU
D)0.73 AU
4.
If the eccentricity of Earth’s orbit is 0.017, and half of the major axis, a is 1.000 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)1.017 AU
B)58.8 AU
C)0.017 AU
D)0.983 AU
5.
If the eccentricity of Mars’ orbit is 0.093, and half of the major axis, a is 1.881 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)20.2 AU
B)0.175 AU
C)0.049 AU
D)1.788 AU
6.
If the eccentricity of Jupiter’s orbit is 0.048, and half of the major axis, a is 11.857 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)247.02 AU
B)0.569 AU
C)0.004 AU
D)11.809 AU
7.
If the eccentricity of Saturn’s orbit is 0.056, and half of the major axis, a is 29.42 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)1.648 AU
B)525.4 AU
C)0.0019 AU
D)29.364 AU
8.
If the eccentricity of Uranus’ orbit is 0.046, and half of the major axis, a is 83.75 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)3.853 AU
B)1820.7 AU
C)0.00055 AU
D)83.70AU
9.
If the eccentricity of Neptune’s orbit is 0.009, and half of the major axis, a is 163.72 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)18191 AU
B)1.473 AU
C)0.000055 AU
D)152 AU
10.
If the eccentricity of Pluto’s orbit is 0.249, and half of the major axis, a is 248.0 AU, find the approximate distance to the focus point where the sun could be located in the orbit, c.
A)996 AU
B)61.752 AU
C)0.001 AU
D)247.751 AU
Grade 8
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