BJU Chapter 13 and 14 Earth Science

Question 1

Temperature

Accepted Answer

changes with seasons to form a thermal layer

Question 2

The deep, relatively flat zones of the ocean basins form the ________.

Accepted Answer

abyssal plain

Question 3

Sea level is the same elevation everywhere on Earth.

Accepted Answer

False

Question 4

Global mean sea levels currently are __________.

Accepted Answer

rising

Question 5

Which ocean covers the largest percentage of the earth's surface?

Accepted Answer

Pacific

Question 6

The most abundant salt found in ocean water is

Accepted Answer

sodium chloride

Question 7

About what percentage of the earth's surface is covered by oceans?

Accepted Answer

70

Question 8

Which of the following gasses is more abundant in the lighted zones near the surface?

Accepted Answer

oxygen

Question 9

When water is described as potable, it is __________.

Accepted Answer

safe to drink

Question 10

How many Ocean basins are there?

Accepted Answer

5

Question 11

How much mineral salt does 1000g of seawater contain?

Accepted Answer

35g

Question 12

Sound travels in seawater ______.

Accepted Answer

faster than in air

Question 13

A coral reef separated from the mainland by a lagoon is a(n)

Accepted Answer

barrier reef

Question 14

T/F The zone where bioluminescence is the only form of natural light is the littoral zone.

Accepted Answer

False

Question 15

The very high tides that occur twice a month are caused by

Accepted Answer

the sun, moon, and earth being arranged in a straight line

Question 16

Pressure

Accepted Answer

can reach up to 1000 atm in the challenger deep

Question 17

Speed of Sound

Accepted Answer

is essential for echolocation

Question 18

Which would be described as pelagic?

Accepted Answer

squid

Question 19

Which of the following are produced primarily by gravity?

Accepted Answer

tides

Question 20

Seawater temperature near the ocean bottom ________.

Accepted Answer

varies little all over the world

Question 21

Coral reefs are formed from _____________.

Accepted Answer

the joined calcium carbonate skeletons of polyps

Question 22

Which of these is the main chemical building block of all living things?

Accepted Answer

carbon

Question 23

The term brackish is most closely related to the ________ of a sample of water.

Accepted Answer

salinity

Question 24

What usually has the greatest influence in causing tides?

Accepted Answer

the moon

Question 25

Salinity

Accepted Answer

is the measure of the ocean's saltiness

Question 26

While minerals constantly flow into an ocean, the ocean salinityrises only very slowly.Where do most of the minerals go?

Accepted Answer

D. both A and B

Question 27

In general, seawater temperature ___ from surface to bottom.

Accepted Answer

decreases

Question 28

The name given to the lower-than-usual tides that occur twice a month

Accepted Answer

neap tides

Question 29

What has gathered trash together to form the Great Pacific Garbage Patch?

Accepted Answer

the pattern of ocean currents

Question 30

Because clams, corals, and anemones are attached to or live on the bottom they are ___________.

Accepted Answer

benthic

Question 31

How does water temperature, pressure, & density change as you ascend from ocean floor 2 surface

Accepted Answer

temp increases, pressure decreases, density decreases

BJU Chapter 13 and 14 Earth Science

Questions 31

BJU Chapter 13 and 14 Earth Science

Questions 31