Science test Flashcards

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1
Q

if a scuba diver ascends to the surface too quckly afer a deep dive oxygen bubbls can form in his blood cause the bends

A

false

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2
Q

the remanians of he odes known boat were found on the desert in kuwait

A

true

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3
Q

the bible teaches that no one explored oceans before the Flood

A

true

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4
Q

early cartographers often used pcitures of sea monster to hid the fact that they did not know what wa in certain parts o fhte ocean

A

true

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5
Q

which of these inventions idthe most to make ocean navigation more accurate lead lines the nasne bottle seagoing clocks the secchi disk

A

seagoing clocks

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6
Q

only Europeans did any singifcant occean exploration proior to 1800

A

false

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7
Q

accoridn to the text what was a signficant movitvator fo rthe age of exploration

A

the thrill of discorery and vision of getting rich

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8
Q

who was the first to circumnavigate the world

A

ferdinand magellan

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9
Q

the challenger expedition covred three oceans and lasted foru years

A

true

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10
Q

the first ture oceanraphic expedition a model for future studies was conductied by which vessel

A

HMS Challendger

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11
Q

who was insiperd by the Psamlsm to make accurate wind adn current charts earning hims himsledl th enickname pathfinder of the seas

A

matthew fantane maruey

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12
Q

locations of ocean current would more effectivly be studied through larege area smaplig

A

true

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13
Q

a sounding will reveal the water’s what

A

depth

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14
Q

what measures ocean depth through echolocation

A

sonar

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15
Q

what replaced the sued of lead lines to determine water depth

A

sounding or

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16
Q

what collects water smaples a t various depths

A

nansen bottles

17
Q

what measues surface water clarry

A

secchi disk

18
Q

photocells are more accurate and more widlely used than secchi disks today

A

true

19
Q

what collects pelagic organismsl

A

plankton net

20
Q

what collects benthich organsims

A

grab sampler

21
Q

a bottom profiler is used to scrape sediemtns adn pecimens from the sea floor and bring them to the surface

A

false

22
Q

what collects layers of sediment fro the ocean floor

A

sediment corer

23
Q

sonar mimics a technique used by proposes and bats

A

true

24
Q

sonar did little to improve man’s understanding of the ocean baisn

A

false

25
Q

what collects and transmits a varity of weaterh and sea data

A

buoys

26
Q

today wide area date collection of ocean conditions is performed by what two things

A

buoys and satellite

27
Q

the greaest challenge to working underwtaters is having air to breathe

A

true

28
Q

what is the ggreatst challendge to helmt diving

A

easy to drown

29
Q

what was the earliest know enclosures used to explore underwater called

A

driving bells

30
Q

what is the personal underwater breating system developed in 1943 and used widly todayc called

A

scuba

31
Q

puto these in order mixed gas diving, suba ding bell diring helmet

A

diving bell, diving helmet , scuba, mixed gas diving

32
Q

mixed gas diving is typically used for what

A

Deep Dving

33
Q

what was consturcte william beebe and otsi barton

A

bathysphere

34
Q

what was an ealy type of deep sea submersible

A

bathyscaphe

35
Q

which of these was the first vesssel to dwscent into chllenger deep the deepest point know in teh oceans bathyscaphe bathyspher or treist

A

trieste

36
Q

the united states and france are the only nations to have built and launched deep submergence vehiclles

A

false

37
Q

in what ways does a nROV differ from a DsV rovs are guide by computter prgrams rovs are usuall larger than dsvs rovs are teheted to and controlled by another vessle

A

rovs are thetherd to and ontrolled by anotehr vessel

38
Q

which of these tpes of vessels is not an unamenned undersea vehicle (UUV) AUV DSV ROV

A

ROV

39
Q

which of tthese types of vessels i best suited for complicated repair work at at single location AUV DSV HMS ROV

A

ROV