Earth Science: Geology, the Environment, and the Universe, New York

Section 4: Formation of Our Solar System

Formation of Our Solar System

1.		What are the three labeled parts of the comet shown in the figure? <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0328664233/184123/188_solsysform_ss_290c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (21.0K)</a> Need a Hint?
			A)	ice core, cloud, fan
			B)	corona, nucleus, end
			C)	head, cone, tail
			D)	coma, nucleus, tail
2.		The objects that eventually formed planets by colliding and merging are called __________. Need a Hint?
			A)	stars
			B)	asteroids
			C)	planetesimals
			D)	solar nebula
3.		Comets are bodies that are __________ that orbit __________. Need a Hint?
			A)	ice and rock, the Sun
			B)	helium gas, the Sun
			C)	icy, each planet
			D)	larger than Earth, Earth
4.		Where are most asteroids located? Need a Hint?
			A)	orbiting all planets
			B)	between Mars and Jupiter
			C)	outside of Pluto's orbit
			D)	between Earth and Venus