Roberson 3rd 9 Weeks Exam 8th Science

Water clarity can be measured at night using

Which of the following extends the farthest out into the ocean?

What is formed when water chemically combines with carbon dioxide?

Which of the following is most directly related to wave speed?

The water in lakes are mixed vertically by a process called

For lakes and ponds in middle latitudes, the greatest contrast between surface and bottom temperatures would be in the

The oceans of the world are divided into four completely separate basins.

Deflation can create desert pavement.

The best device for determining the shape of a seamount would be a

Which of the following is defined as the deepest point below the ocean's surface that is affected by a wave's passage?

The only cause of the Dust Bowl in the 1930's was abnormally high winds.

The greatest number of ocean drownings is probably caused by ______ currents.

Rivers have affected American history because

Typical seawater contains about 3.5 grams of salt per kilogram of seawater.

Global mean sea levels currently are

Downwelling currents can form when too much water piles up in one place from wind or currents.

Large daily temperature swings can cause certain rocks to experience exfoliation.

A stream and all its tributaries make up a

Which of the following contain the greatest amount of the earth's liquid fresh surface water?

to sail around the globe while remaining south of Africa& South America, what single current could use to speed up trip

Twice-daily lunar tides are exactly twelve hours apart.

While minerals constantly flow into ocean, the ocean's salinity rises only very slowly. Where do most of the minerals

Which of the following would have the least effect on subsurface currents?

A greater amount of life is found in the earth's oceans than is found on land.

A lake's thermocline is most significant in mid-to-late winter.

Which of the following agents is always involved in mass wasting?

A sounding will reveal the _____ of a body of water.

Solar tides by themselves are much smaller than lunar tides.

One way that coastal engineers can reduce wave erosion is to build

Coral reefs are formed from

The size boulders and rocks that a stream carry is determined by the volume of flowing water-wider streams larger rocks

In the center of an ocean gyre, the sea level is usually

Examples of mechanical weathering of rock include

Ocean navigation is most affected by which of the following?

With which of the following statements would an old-earth geologist most likely agree?

Because clams, corals, and anemones are attached to or live on the bottom, we call them ______ organisms.

As an ocean wave approaches the shore,

When two or more glaciers merge and spread out onto a plain at the base of a mountain range, it is called a(n)

Which of the following gases is more abundant in the lighted zones near the surface than in the dark regions of ocean?

Biological soil crusts are important because they

Which of the following is not a place where a lake can form?

The strip of till that separates two glacial valleys is a ____ moraine.

Surface currents generally run in the same direction as global winds.

Which of the following types of vessels can cover the most territory in a given amount of time?

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

How much salt does 1000 g of seawater contain as an average?

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

Which of the following would an oceanographer likely not be employed to do?

Which of the following is not an advantage of tidal power generation?

Turbulent water and air can carry more sediments than calmer water and air can.

Carolina bays get their name from

Plucking is a type of erosion caused by

The vertical distance between a wave's crest and trough is its

Animals and plants help soil fertility by

Sound in seawater travels

Modern underwater habitats are simple in design and easy to use.

All soils have three horizons that have weathered from native bedrock.

Marine snow would be most important to organisms living in the ______ zone.

The greatest challenge to deep sea diving is

Island arcs are associated with subduction zones.

The deepest measured depth of the ocean is about 11,000 m.

Early ocean explorers took great risks mainly to learn more about the oceans.

How many tides do most coasts experience in a typical twenty-four period?

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

The greatest challenge to helmet diving was

How does temperature, pressure, & density-water most likely change as you ascend from the floor of the ocean to surface?

Which sampling device could best provide a history of sediment deposition at a given location in the ocean?

The formation of a delta is most closely related to the process of

If divers enter & exit underwater habitat through a "moon pool,"which of the following describes air pressure in habitat

An unusual lake that has an inlet but no outlet is a

Island arcs are most often associated with

Which of the following locations is notable for its very large tidal range?

Which of following combines influences of the Coriolis effect, current speed,and water depth to change direction current

An avalanche is not considered mass wasting because it involves only ice and snow.

High-gradient streams have few

In which life zone must organisms cope with the greatest variability of conditions?

Which of the following is listed in the order that the process occur?

Which of following-young-earth creationists believe were most likely created by runoff from the continents late in Flood

Biological weathering happens only through chemical weathering.

Which of the following is a stream?

When water is described as potable, it is

Of the following conditions, which is the most favorable for chemical weathering?

Most ancient sailors considered the ocean's surface featureless except for islands.

The largest barrier reef in the world is found off the coast of Africa.

Satellite radars can detect only large changes in sea level.

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

The HMS Challenger expedition covered three oceans and lasted four years.

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

Most of the sediment load in a stream is

A triangular-shaped area of fertile deposits found where a large river enters the ocean is called a(n)

Coastal stacks are often the last remnants of

What most important advantage sampling seawater using Niskin bottle carousel compared with dropping lineof Nansen bottle

The region from which water empties into a stream and its tributaries is a

Surface ocean currents are deflected by the Ekman spiral.

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

For a young-earth geologist, which explanations for the number of locations of guyots is most likely?

Which of the following forms of sea life are thought to take advantage of ocean currents in their migrations?

The Bonneville Salt Flats where many land speed records have been set, are the ancient remnants of a(n)

Streams west of the North American Great Divide eventually drain into the

Which of the following inventions did the most to make ocean navigation more acurate?