,
,Indicate whether the statement is true or false.
nm nm nm nm nm nm nm
1. Of all theplanetsinthesolar system, Earth is theonlyplanet to currentlyhavelarge quantitiesofliquid wateron
nm nm nm nm jnm nm nm nm nm nm nm
its surface.
nm
a. True
b. False
2. Theoceanholds morethan 97 percent of Earth's water.
nm j nm nm nm nm
a. True
b. False
3. Gravitywasimportant intheformationofourplanet becauseitpulleddense metals suchasiron and nickelinward,
nm nm nm j nm jnm n
mforming Earth's core.
nm nm
a. True
b. False
4. Deep-seafossilssuggestthatlifeevolved withinthelast millionyears. nm nm
a. True
b. False
5. Thereisconvincing evidence that water once flowed onthe surfaceof Mars.
nm nm jnm nm nm
a. True
b. False
6. The universe began toform around 13 billionyears ago.
jnm nm nm nm nm
a. True
b. False
7. Marinesciencedrawsoninformation fromdisciplines ofgeology, biology, chemistry, physics, andengineering.
nm nm nm nm nm nm
a. True
b. False
8. Scientifichypotheses areneverrevisedorupdated. nm
a. True
b. False
9. Saturn’s moon,Titan, is known topossess liquid hydrocarbons on itssurface.
nm nm j nm nm j
a. True
b. False
10. Theaveragelandelevation on Earthisgreaterthantheaverage depthoftheocean.
nm nm nm
a. True
b. False
Indicatetheanswerchoicethatbestcompletesthestatementoranswersthequestion.
, 11. The temperature of the ocean about four billionyears agowas
nm nm nm nm nm nm nm nm nm .
a. aboutthesameas today’socean nm
b. much colder thanthatoftoday’s ocean
j nm nm
c. extremelyhotcomparedwithtoday’s j nm
ocean
d. onlyslightlywarmer than today’s ocean nm j nm
12. Planets otherthan Earth withliquidonornear the surface are
nm nm nm nm nm nm nm .
a. nonexistent
b. less rare than we thought
nm jnm nm
c. extremely commonbutonlyintheform of water
nm nm nm
d. extremely commonbutonlyintheform of ice
nm nm nm
13. About nm percent of Earth'swater is foundin theocean.
nm nm nm nm jnm
a. 97
b. 71
c. 67
d. 30
14. Evidencesuggeststheuniverse began about 13.7 billionyearsago ina nm nm nm nm nm nm .
a. slowaccretion of atoms nm nm
b. verylarge galaxy nm
c. cataclysmicexpansionofenergyand nm
matter
d. protostar
15. What theory best explains howtheuniverse wasformed?
j jnm nm nm
a. condensation
theory
nm
b. scientificmethod
c. outgassingtheory
d. bigbang theory nm
16. Whichphrasebestdescribesbiosynthesis?
a. Thediscovery of organicmoleculesinspace nm nm
b. Theevolution ofliving organisms from simpleorganicbuildingblocks
nm nm jnm
c. Theevolutionofinorganicmolecules in seawater nm nm
d. Experimentsthatshowthatearlyorganismslivedinanoxygen-
j
free environment
n m n m
17. Torecreateanenvironmentforbiosynthesis, scientistsincluded whichelementin theirexperiments? n m j
a. extremelycoldtemperatures
b. oxygen
c. oceanwater
d. mixtures of dissolved compounds and gases thought tobe similar to Earth’s earlyatmosphere
j nm jnm j nm nm nm
,Indicate whether the statement is true or false.
nm nm nm nm nm nm nm
1. Of all theplanetsinthesolar system, Earth is theonlyplanet to currentlyhavelarge quantitiesofliquid wateron
nm nm nm nm jnm nm nm nm nm nm nm
its surface.
nm
a. True
b. False
2. Theoceanholds morethan 97 percent of Earth's water.
nm j nm nm nm nm
a. True
b. False
3. Gravitywasimportant intheformationofourplanet becauseitpulleddense metals suchasiron and nickelinward,
nm nm nm j nm jnm n
mforming Earth's core.
nm nm
a. True
b. False
4. Deep-seafossilssuggestthatlifeevolved withinthelast millionyears. nm nm
a. True
b. False
5. Thereisconvincing evidence that water once flowed onthe surfaceof Mars.
nm nm jnm nm nm
a. True
b. False
6. The universe began toform around 13 billionyears ago.
jnm nm nm nm nm
a. True
b. False
7. Marinesciencedrawsoninformation fromdisciplines ofgeology, biology, chemistry, physics, andengineering.
nm nm nm nm nm nm
a. True
b. False
8. Scientifichypotheses areneverrevisedorupdated. nm
a. True
b. False
9. Saturn’s moon,Titan, is known topossess liquid hydrocarbons on itssurface.
nm nm j nm nm j
a. True
b. False
10. Theaveragelandelevation on Earthisgreaterthantheaverage depthoftheocean.
nm nm nm
a. True
b. False
Indicatetheanswerchoicethatbestcompletesthestatementoranswersthequestion.
, 11. The temperature of the ocean about four billionyears agowas
nm nm nm nm nm nm nm nm nm .
a. aboutthesameas today’socean nm
b. much colder thanthatoftoday’s ocean
j nm nm
c. extremelyhotcomparedwithtoday’s j nm
ocean
d. onlyslightlywarmer than today’s ocean nm j nm
12. Planets otherthan Earth withliquidonornear the surface are
nm nm nm nm nm nm nm .
a. nonexistent
b. less rare than we thought
nm jnm nm
c. extremely commonbutonlyintheform of water
nm nm nm
d. extremely commonbutonlyintheform of ice
nm nm nm
13. About nm percent of Earth'swater is foundin theocean.
nm nm nm nm jnm
a. 97
b. 71
c. 67
d. 30
14. Evidencesuggeststheuniverse began about 13.7 billionyearsago ina nm nm nm nm nm nm .
a. slowaccretion of atoms nm nm
b. verylarge galaxy nm
c. cataclysmicexpansionofenergyand nm
matter
d. protostar
15. What theory best explains howtheuniverse wasformed?
j jnm nm nm
a. condensation
theory
nm
b. scientificmethod
c. outgassingtheory
d. bigbang theory nm
16. Whichphrasebestdescribesbiosynthesis?
a. Thediscovery of organicmoleculesinspace nm nm
b. Theevolution ofliving organisms from simpleorganicbuildingblocks
nm nm jnm
c. Theevolutionofinorganicmolecules in seawater nm nm
d. Experimentsthatshowthatearlyorganismslivedinanoxygen-
j
free environment
n m n m
17. Torecreateanenvironmentforbiosynthesis, scientistsincluded whichelementin theirexperiments? n m j
a. extremelycoldtemperatures
b. oxygen
c. oceanwater
d. mixtures of dissolved compounds and gases thought tobe similar to Earth’s earlyatmosphere
j nm jnm j nm nm nm
