Tennessee Science Grade 8

Section 2: The Solar System

Self-Check Quiz - English

1
How many planets are in our solar system?
A)three
B)eight
C)ten
D)hundreds
2
What unit is used to measure distance within our solar system?
A)astronomical unit
B)light-year
C)kilometer
D)miles
3
How are the inner planets characterized?
A)gaseous and large
B)small and soupy
C)solid and rocky
D)large and wet
4
Which is the closest planet to the Sun?
A)Earth
B)Mercury
C)Mars
D)Pluto
5
What protects Earth from ultraviolet radiation?
A)the carbon dioxide layer
B)space between Earth and the Sun
C)the asteroid belt
D)the ozone layer
6
What separates the inner planets from the outer planets?
A)the Oort cloud
B)the ozone layer
C)planetary rings
D)the asteroid belt
7
Which is the largest planet in the solar system?
A)Jupiter
B)Saturn
C)Pluto
D)Earth
8
What causes the rings around some planets?
A)asteroids
B)comets
C)chunks of ice and rock
D)gas giants
9
How far away is the Oort cloud, where comets possibly originate?
A)1 AU
B)100,000 AUs
C)1 light-year
D)100,000 light-years
10
How large are meteorites?
A)They can be as small as a pebble as large as several tons
B)smaller than pebbles
C)several miles in diameter
D)1 AU wide
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