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