Section #: 29.4
Formation of Our Solar System
Practice Test
1.
What are the three labeled parts of the comet shown in the figure?
a.
coma, nucleus, tail
b.
corona, nucleus, end
c.
head, cone, tail
d.
ice core, cloud, fan
Hint
2.
Comets are bodies that are __________ that orbit __________.
a.
icy, each planet
b.
larger than Earth, Earth
c.
helium gas, the Sun
d.
ice and rock, the Sun
Hint
3.
The objects that eventually formed planets by colliding and merging are called __________.
a.
planetesimals
b.
stars
c.
asteroids
d.
solar nebula
Hint
4.
Where are most asteroids located?
a.
orbiting all planets
b.
outside of Pluto's orbit
c.
between Earth and Venus
d.
between Mars and Jupiter
Hint
