Chapter 1 & 2 - Terms

Question 1

the steep drop of the ocean floor

Answer 1

continental slope

Question 2

mid-ocean ridge

Answer 2

an undersea mountain chain where new ocean floor is produced

Question 3

wave

Answer 3

the up and down movement of ocean water caused by the wind

Question 4

crest

Answer 4

the top of a wave

Question 5

breakers

Answer 5

waves in which the crest topples over the trough along a shoreline

Question 6

tidal range

Answer 6

the difference in levels of ocean water at high tide and low tide

Question 7

headland

Answer 7

A part of the shore that sticks out into the ocean

Question 8

ocean current

Answer 8

a large body of moving water that flows in a particular unchanging direction.

Question 9

continental shelf

Answer 9

the gently sloping (relatively flat) section of the ocean floor close to the shoreline…depth of 100-200 feet deep.

Question 10

wave length

Answer 10

the horizontal distance from one wave crest th the next wave crest

Question 11

trough

Answer 11

the lowest point of a wave

Question 12

tsunami

Answer 12

a giant wave caused by an earthquake on the ocean floor

Question 13

spring tide

Answer 13

the tide with the greatest difference between low and high tides…occurs when the earth, moon and sun are in a straight line.

Question 14

abyssal plain is represented by which letter in the diagram?

Answer 14

broad, flat portion of the deep-ocean basin repesented by letter B in the diagram.

Question 15

wave height

Answer 15

the vertical distance from the crest of a wave to the trough

Question 16

abyssal plain

Answer 16

broad, flat portion of the deep-ocean basin

Question 17

tide

Answer 17

the rise and fall of the water level of the ocean near the shore that is caused by the pull of gravity of the moon

Question 18

neap tide

Answer 18

a tide with the least difference between high and low tide that occurs when the sun and moon pull at right angles to each other