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Unit 9D Chapter 8 Quiz



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Everything that exists, including all energy, matter, and space is part of
a.
the Solar System
b.
a galaxy
c.
the Universe
d.
a planet
 

 2. 

3.5 ´ 105 is scientific notation for what number?
a.
        3500
b.
     35 000
c.
   350 000
d.
3 500 000
 

 3. 

A large, round celestial object that travels around a star is called a(n)
a.
planet
b.
Solar System
c.
satellite
d.
orbit
 

 4. 

Which of the following is a terrestrial planet?
a.
Uranus
b.
Jupiter
c.
Saturn
d.
Mercury
 

 5. 

Which of the following choices correctly orders the terms from simplest to most complex?
a.
planet, galaxy, Solar System, Universe
b.
planet, Solar System, galaxy, Universe
c.
planet, galaxy, Universe, Solar System
d.
galaxy, planet, Solar System, Universe
 

 6. 

A huge, rotating, collection of gas, dust, and billions of stars, planets, and other celestial objects is called a
a.
Universe
b.
Solar System
c.
satellite
d.
none of the above
 

 7. 

The hottest part of the Sun is the
a.
core
b.
radiative zone
c.
convective zone
d.
photosphere
 

 8. 

Which of the following choices correctly orders the layers of the Sun from the innermost layer to the outermost layer?
a.
corona, chromosphere, photosphere, convective zone, radiative zone, core
b.
core, convective zone, radiative zone, photosphere, chromosphere, corona
c.
core, radiative zone, convective zone, photosphere, chromosphere, corona
d.
core, photosphere, chromosphere, radiative zone, convective zone, corona
 

 9. 

Approximately how long does it take the Sun to make one complete rotation on its axis?
a.
1 day
b.
5 days
c.
25 days
d.
365 days
 

 10. 

Slow, low-energy gas eruptions from the Sun’s surface that extend thousands of kilometres into space are called
a.
sunspots
b.
solar flares
c.
solar prominences
d.
aurora borealis
 

 11. 

One astronomical unit is equivalent to
a.
15 km
b.
150 km
c.
15 thousand km
d.
150 million km
 

 12. 

Which of the following is an example of a dwarf planet?
a.
Mercury
b.
Mars
c.
Neptune
d.
Pluto
 

 13. 

Large chunks of ice, dust, and rock that travel in very long orbits around the Sun are called
a.
comets
b.
stars
c.
asteroids
d.
meteoroids
 

 14. 

Earth makes one complete rotation on its axis in
a.
an east to west direction, once each year
b.
a west to east direction, once each year
c.
an east to west direction, once each day
d.
a west to east direction, once each day
 

 15. 

The times of year when the hours of daylight equal the hours of darkness are called the
a.
solstices
b.
equinoxes
c.
lunar cycles
d.
eclipses
 

 16. 

What is the final phase of the moon before a new lunar cycle begins?
a.
waxing crescent
b.
waning crescent
c.
waxing gibbous
d.
waning gibbous
 

 17. 

The average distance between an object in the Solar System and the Sun is called a(n)
a.
orbital period
b.
orbital radius
c.
azimuth
d.
altitude
 

 18. 

Seasons are caused by
a.
the moon’s rotation around the Earth
b.
the tilt of Earth’s axis
c.
Earth’s distance from the Sun
d.
Earth’s rotation on its axis
 

 19. 

The changing direction of Earth’s axis is called
a.
gravitational force
b.
retrograde motion
c.
precession
d.
tide
 

 20. 

The sky is divided into how many regions associated with patterns of stars, or constellations?
a.
9
b.
28
c.
88
d.
365
 



 
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