Questions for Review


1		Name the nine planets in order of increasing distance from the Sun.



2		Make a table listing separately the inner and outer planets.



3		What properties apart from position distinguish the inner and outer planets?



4		Make a sketch of the Solar System showing top and side views.



5		What is the Oort cloud? Where is it located, and what kind of objects come from it?



6		What is Bode’s law?



7		What is an interstellar cloud? What does it have to do with the Solar System?



8		What is the solar nebula? What is its shape and why?



9		Why are there two main types of planets?



10		How do we know the composition of Jupiter?



11		What are planetesimals?



12		What is the difference between condensation and accretion?



13		Describe the planetesimal theory of planet formation.



14		How does the planetesimal theory of planet formation explain the asteroids?



15		How did the craters we see on many of the planets form?



16		Describe a theory of how planets may have formed their atmospheres.



17		How would you describe the formation of the Solar System to a little brother or sister?

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