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Ch. 7 Solar System Review Flashcards | StudBud
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Ch. 7 Solar System Review
Ch. 7 Solar System Review
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1
What shape describes the paths that planets follow?
circle
line
ellipse
square
2
Which planet completes an orbit around the Sun in less time than Earth does?
Mercury
Saturn
Jupiter
Neptune
3
What is the largest object in our solar system?
Earth
Jupiter
Saturn
Sun
4
The sun has the most gravity in the solar system.
False
True
5
What changes in 11 year cycles?
the distance from Earth to the Sun
the number of sunspots on the Sun
the shape of Pluto's orbit
the number of moons on Saturn
6
Which object is this?
a moon
a planet
a comet
an asteroid
7
Magnetic force holds the planets in their orbit.
True
False
8
Which planet is shown below with its moons?
Neptune
Jupiter
Saturn
Mars
9
Which planet has polar ice caps?
Saturn
Mars
Mercury
Venus
10
Astronauts in space experience weightlessness because...
there is no gravity at that height
Sun's gravity balances Earth's gravity
they are in free fall
the spaceship blocks gravity
11
Which planet is most like the planet Earth
Jupiter
Mars
Neptune
Venus
12
The sun is mostly composed of helium and hydrogen.
True
False
