,
,Indicate whether the statement is true or false.
pf pf pf pf pf pf pf
1. Of all theplanetsinthesolar system, Earth istheonlyplanet to currentlyhavelarge quantitiesofliquid wateron its s
pf pf pf pf pf pf pf pf pf pf pf pf
urface.
a. True
b. False
2. Theoceanholds morethan97 percent of Earth's water.
vk pf pf pf pf vk
a. True
b. False
3. Gravitywasimportant intheformationofourplanet becauseitpulleddense metals suchasironand nickelinward, f
pf pf pf p f pf pf pf pf
orming Earth's core.
vk pf
a. True
b. False
4. Deep-seafossilssuggestthatlifeevolved withinthelastmillionyears. pf
a. True
b. False
5. Thereisconvincing evidence thatwateronceflowed onthe surfaceofMars.
pf pf pf pf pf p f pf pf
a. True
b. False
6. Theuniversebegan toform around 13billionyears ago.
pf pf pf pf pf pf pf
a. True
b. False
7. Marinesciencedrawsoninformation fromdisciplinesofgeology, biology, chemistry, physics, andengineering. pf pf pf pf pf pf
a. True
b. False
8. Scientifichypotheses areneverrevisedorupdated. pf
a. True
b. False
9. Saturn’s moon,Titan,is known topossess liquidhydrocarbons onitssurface.
vk j pf pf pf
a. True
b. False
10. Theaveragelandelevation on Earthisgreaterthantheaverage depthoftheocean. p f pf p f
a. True
b. False
Indicatetheanswerchoicethatbestcompletesthestatementoranswersthequestion.
, 11. The temperatureofthe oceanabout fourbillionyears agowas
vk vk vk vk .
a. aboutthesameastoday’socean
b. muchcolder thanthatoftoday’s ocean
pf pf
c. extremelyhotcomparedwithtoday’s o j pf
cean
d. onlyslightlywarmer thantoday’s ocean pf pf
12. Planets otherthanEarth withliquidonornear the surface are
vk pf pf pf pf pf .
a. nonexistent
b. less rarethan we thought
vk pf jp f pf
c. extremely commonbutonlyintheform of water
pf pf pf
d. extremelycommonbutonlyintheform of ice pf pf
13. About percent ofEarth'swater isfoundin theocean.
pf pf pf pf pf jp f
a. 97
b. 71
c. 67
d. 30
14. Evidencesuggeststheuniverse began about 13.7 billionyearsago ina pf pf pf pf vk .
a. slowaccretionof atoms vk
b. verylarge galaxy pf
c. cataclysmicexpansionofenergyand pf
matter
d. protostar
15. What theorybest explains howtheuniverse wasformed?
j pf pf pf pf
a. condensation
theory
pf
b. scientificmethod
c. outgassingtheory
d. bigbang theoryvk
16. Whichphrasebestdescribesbiosynthesis?
a. Thediscoveryoforganicmoleculesinspace
b. Theevolution ofliving organisms from simpleorganicbuildingblocks
vk pf jp f
c. Theevolutionofinorganicmolecules in seawater pf pf
d. Experimentsthat showthatearlyorganismslivedinanoxygen-
pf j pf
free environment
17. Torecreateanenvironmentforbiosynthesis, scientistsincludedwhichelementintheirexperiments? p f pf pf pf
a. extremelycoldtemperatures
b. oxygen
c. oceanwater
d. mixturesofdissolved compounds andgasesthoughttobesimilar to Earth’s earlyatmosphere
vk p f pf pf pf vk vk
,Indicate whether the statement is true or false.
pf pf pf pf pf pf pf
1. Of all theplanetsinthesolar system, Earth istheonlyplanet to currentlyhavelarge quantitiesofliquid wateron its s
pf pf pf pf pf pf pf pf pf pf pf pf
urface.
a. True
b. False
2. Theoceanholds morethan97 percent of Earth's water.
vk pf pf pf pf vk
a. True
b. False
3. Gravitywasimportant intheformationofourplanet becauseitpulleddense metals suchasironand nickelinward, f
pf pf pf p f pf pf pf pf
orming Earth's core.
vk pf
a. True
b. False
4. Deep-seafossilssuggestthatlifeevolved withinthelastmillionyears. pf
a. True
b. False
5. Thereisconvincing evidence thatwateronceflowed onthe surfaceofMars.
pf pf pf pf pf p f pf pf
a. True
b. False
6. Theuniversebegan toform around 13billionyears ago.
pf pf pf pf pf pf pf
a. True
b. False
7. Marinesciencedrawsoninformation fromdisciplinesofgeology, biology, chemistry, physics, andengineering. pf pf pf pf pf pf
a. True
b. False
8. Scientifichypotheses areneverrevisedorupdated. pf
a. True
b. False
9. Saturn’s moon,Titan,is known topossess liquidhydrocarbons onitssurface.
vk j pf pf pf
a. True
b. False
10. Theaveragelandelevation on Earthisgreaterthantheaverage depthoftheocean. p f pf p f
a. True
b. False
Indicatetheanswerchoicethatbestcompletesthestatementoranswersthequestion.
, 11. The temperatureofthe oceanabout fourbillionyears agowas
vk vk vk vk .
a. aboutthesameastoday’socean
b. muchcolder thanthatoftoday’s ocean
pf pf
c. extremelyhotcomparedwithtoday’s o j pf
cean
d. onlyslightlywarmer thantoday’s ocean pf pf
12. Planets otherthanEarth withliquidonornear the surface are
vk pf pf pf pf pf .
a. nonexistent
b. less rarethan we thought
vk pf jp f pf
c. extremely commonbutonlyintheform of water
pf pf pf
d. extremelycommonbutonlyintheform of ice pf pf
13. About percent ofEarth'swater isfoundin theocean.
pf pf pf pf pf jp f
a. 97
b. 71
c. 67
d. 30
14. Evidencesuggeststheuniverse began about 13.7 billionyearsago ina pf pf pf pf vk .
a. slowaccretionof atoms vk
b. verylarge galaxy pf
c. cataclysmicexpansionofenergyand pf
matter
d. protostar
15. What theorybest explains howtheuniverse wasformed?
j pf pf pf pf
a. condensation
theory
pf
b. scientificmethod
c. outgassingtheory
d. bigbang theoryvk
16. Whichphrasebestdescribesbiosynthesis?
a. Thediscoveryoforganicmoleculesinspace
b. Theevolution ofliving organisms from simpleorganicbuildingblocks
vk pf jp f
c. Theevolutionofinorganicmolecules in seawater pf pf
d. Experimentsthat showthatearlyorganismslivedinanoxygen-
pf j pf
free environment
17. Torecreateanenvironmentforbiosynthesis, scientistsincludedwhichelementintheirexperiments? p f pf pf pf
a. extremelycoldtemperatures
b. oxygen
c. oceanwater
d. mixturesofdissolved compounds andgasesthoughttobesimilar to Earth’s earlyatmosphere
vk p f pf pf pf vk vk