In a hypothetical planetary system, planet A is 20 million kilometers from the star, and planet B is 60 million kilometers from the star. Which statement is true concerning the orbit of these planets? Choose the correct answer.

Earth Science Unit 4 Test Review

Quiz
•
Social Studies
•
11th Grade
•
Hard
Nicholas Talbott
Used 30+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Planet A moves faster than planet B because it is closer to the star.
Planet B moves faster than planet A because it is farther from the star.
Planet A has an orbit more elliptical than planet B’s orbit because it is closer to the star.
Planet B has an orbit more elliptical than planet A’s orbit because it is farther from the star.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What happens to the gravitational force between a spacecraft and a planet if the orbital radius is doubled? Choose the correct answer.
It increases by a factor of 2.
It decreases by a factor of 2.
It increases by a factor of 4.
It decreases by a factor of 4.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What evidence demonstrates the interaction between Earth’s magnetic field and solar wind? Choose the correct answer.
spring tides
solar eclipses
the aurora borealis
the greenhouse effect
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why does the moon have more impact craters on its surface than Earth does? Choose the correct answer.
Earth’s gravity causes more objects to collide with the moon than with Earth.
Most of Earth’s impact craters have been destroyed by plate tectonics and erosion.
Earth’s magnetic field deflects more objects than the very weak magnetic field of the moon does.
The rocks that compose the moon’s surface are more easily deformed than Earth’s surface rocks.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In what way is Earth like the other inner planets? Choose the correct answer.
It has a relatively high density.
It has liquid water on its surface.
It has a mostly hydrogen and helium core.
It revolves around the sun in 24 hours or less.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Aside from Mercury’s slow rotation, what is a factor that contributes to the planet’s daily temperature fluctuation of about 600 °C? Choose the correct answer.
its dense atmosphere
its core of rock and ice
its close proximity to the sun
its heavy, rocky, waterless terrain
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of these separates the outer planets from the inner planets? Choose the correct answer.
the kuiper belt
the asteroid belt
the Great Red Spot
a large magnetic field
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