Blue Planet Test Review Part 1 Question Preview (ID: 35788)


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What causes tides?
a) the amount of dissolved oxygen in the water
b) the gravitational pull of the sun
c) the gravitational pull of the moon
d) tsunamis

How does temperature change as you descend down into the ocean?
a) it decreases
b) it increases
c) it remains constant
d) it increases then decreases

What is the main cause of high and low tides?
a) the gravitational pull of the moon
b) the gravitational pull of the sun
c) longshore drift currents
d) wind energy

What causes surface currents?
a) wind energy
b) the amount of dissolved carbon dioxide in the water
c) the rotation of the moon
d) the gravitational pull of the moon

A large stream of moving water that flows through the ocean is called _________.
a) a wave
b) a tide
c) a current
d) longshore drift

A tide with the LEAST difference between low tide and high tide is called ____________.
a) a spring tide
b) a neap tide
c) a current
d) a tsunami

What type of currents affect the climate?
a) deep currents
b) longshore drift currents
c) surface currents
d) tides

Deep currents carry dense, cold water along the ocean floor. They are moving cold water away from the N and S poles and toward the ___________________.
a) continent of Africa
b) equator
c) prime meridian
d) international date line

What causes the Coriolis Effect?
a) the gravitational pull of the moon
b) the earth's rotation
c) the gravitational pull of the sun
d) the moon's rotation

What causes deep currents?
a) differences in density
b) differences in living organisms
c) upwellings
d) cold water

What causes waves?
a) wind energy
b) the gravitational pull of the moon
c) the gravitational pull of the sun
d) earth's rotation on its axis

How are the sun, moon, and earth aligned during a neap tide?
a) in a straight line
b) in a 90 degree angle
c) in a 15 degree angle
d) in a 360 degree angle

Why are groins controversial?
a) they can affect the salinity of the water
b) they can decrease the freezing point of the water
c) they can make erosion worse in some places
d) they increase the number of hurricanes that occur in an area

What is the name for a wall of concrete or rock built outward from a beach to help prevent erosion?
a) sand dunes
b) sand bars
c) groin
d) piers

What percentage of earth's surface is covered with water?
a) about 3%
b) about 25%
c) about 75%
d) about 97%

When water changes from a gas to a liquid it is called ____________.
a) evaporation
b) condensation
c) precipitation
d) transpiration

When water changes from a liquid to a gas it is called _____________.
a) evaporation
b) condensation
c) precipitation
d) transpiration

When water falls from the sky as rain, snow, sleet, or hail it is called __________.
a) evaporation
b) precipitation
c) condensation
d) transpiration

How does pressure change as you descend down into the ocean?
a) it increases
b) it decreases
c) it remains constant
d) it increases then decreases

Salinity is a measure of ______________.
a) dissolved oxygen in the water
b) dissolved carbon dioxide in the water
c) dissolved salt in the water
d) how many fish are in the water

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