Science Test 1

Question 1

It is thought that the oceans may have originated from water vapor escaping from this

Answer 1

Igneous Rock

Question 2

A process that adds to the saltiness of the oceans

Answer 2

Erosion

Question 3

The ocean´s bottom zone

Answer 3

Benthic

Question 4

These elements together comprise about 85% of the salts in ocean water

Answer 4

Chlorine and Sodium

Question 5

The total salt content measured in parts by thousand

Answer 5

Salinity

Question 6

When salt is added to water the ________ is lowered

Answer 6

Freezing Point

Question 7

His laws of gravity helps explain why the earth experiences tides

Answer 7

Isaac Newton

Question 8

Tide-generating forces are a result of the attraction between the earth and the ______

Answer 8

Moon

Question 9

As the moon rotates around the earth, _____ are created

Answer 9

Tidal Bulges

Question 10

This force opposite the moon results in a secondary bulge on the opposite side of the earth

Answer 10

Centrifugal Force

Question 11

These are the result of full and new moon phases

Answer 11

Spring Tides

Question 12

These tides are the result of first and third quarter moon phases

Answer 12

Neap Tide

Question 13

A strong current caused by tidal flow in confined areas such as inlets and presents a hazard to swimmers and boaters

Answer 13

Riptide

Question 14

A force that stretches toward and away from the center of mass of another body due to a gradient in gravity fields

Answer 14

Tidalforce

Question 15

Situation when an object´s orbital period matches its rotational period

Answer 15

Tidal Locking

Question 16

When the moon is either new or full and is closest to the earth causing an unusually high tide

Answer 16

Proxigean Tide

Question 17

Large-scale ocean circulation that is driven by global density gradients created by surface heat and fresh water fluxes

Answer 17

Thermohaline Circulation

Question 18

This movement of water is primarily due to the wind

Answer 18

Surface Currents

Question 19

These blow from east to west and are a result of heated air from the tropics traveling to the poles

Answer 19

Tradewinds

Question 20

These wind currents blow from west to east

Answer 20

Westerlies

Question 21

In the Northern Hemisphere, wind-driven currents move ____________

Answer 21

Clockwise

Question 22

He was the first to map the Gulf Stream, one of the strongest currents known

Answer 22

Benjamin Franklin

Question 23

These are caused by the friction of wind blowing across the water

Answer 23

Waves

Question 24

The distance along open water over which the wind blows

Answer 24

Fetch

Question 25

The highest part of the wave

Answer 25

Crest

Question 26

The lowest part of the wave

Answer 26

Trough

Question 27

The distance between the crest and the trough

Answer 27

Wave Height

Question 28

The distance from crest to crest

Answer 28

Wavelength

Question 29

The time it takes for succeeding crests to pass a point

Answer 29

Period of a wave

Question 30

The zone compromised with the water itself (the water column)

Answer 30

Pelagic

Question 31

The zone deeper than 600 ft.

Answer 31

Oceanic

Question 32

The zone that has enough light for photosynthesis

Answer 32

Euphotic

Question 33

The zone with little light penetration

Answer 33

Disphotic

Question 34

The zone devoid of light

Answer 34

Aphotic

Question 35

______ ´dead zones´ are devoid of oxygen

Answer 35

Hypoxic

Question 36

The place where and organism makes its home

Answer 36

Habitat

Question 37

_______ is a process in which plants utilize energy from the sun to make food

Answer 37

Photosynthesis

Question 38

An essential element to marine mollusks, corals, and crustaceans

Answer 38

Calcium

Question 39

The saltier the water, the more _________ there is

Answer 39

Buoyancy