AnswersRMA FL-2001310-EarthSpace Science Semester 2Unit Test

Unit Test — Unit test Answers

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Which refers to the number of wavelengths that pass a fixed point in a second?

A
wavelength
B
amplitude
C
frequency
D
compression
22
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Which type of energy turns tidal turbines to create electrical energy?

A
kinetic
B
potential
C
solar
D
thermal
23

A farmer is analyzing cross sections of his land to determine where to build a well. Which phrase describes the best area to dig down to the groundwater?

A
where the saturated zone is 15 meters deep
B
where the water table is at 100 meters deep
C
where the unsaturated zone is 50 meters thick
D
where there is a 25-meter thick clay layer at the surface
24

Which correctly lists three water sources that contribute to a river system?

A
groundwater, ponds, streams
B
lakes, rivers, ponds
C
rivers, streams, watersheds
D
streams, lakes, oceans
25

A wave of infrared light has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave?

A
0.5 Hz
B
2.0 Hz
C
18 Hz
D
72 Hz
26

How do wetlands form?

A
Tributaries flow into rivers.
B
Runoff travels down the side of a divide.
C
Water builds up in a depression left by an ice sheet.
D
Groundwater comes to the surface and floods the land.
27

When will the waves at the shore be the smallest and calmest?

A
when the tide is receding
B
when upwelling occurs
C
when the wind is not blowing
D
when the tide is coming in
28

Which phrase describes the tidal range?

A
the cause for the rotation of wind in a circular pattern
B
the difference between levels of high tide and low tide
C
the water that flows away from the shore and moves sand with it
D
the difference between the times the high tide and low time come in
29

Which statement identifies a reason to preserve wetlands?

A
They supply water to river systems.
B
They store floodwaters.
C
They divide different watersheds.
D
They are used for hydroelectricity.
30

Which feature of the ocean floor includes its deepest parts?

A
trench
B
estuary
C
mid-ocean ridge
D
continental slope
31

Which zone of the ocean can be above or below water, contains waves, and has varied salinity and temperature?

A
neritic
B
intertidal
C
open-ocean
D
deep ocean
32

How do rivers become larger as they travel across land?

A
Groundwater rises, adding water to rivers.
B
Tributaries combine, adding water to rivers.
C
Ice sheets melt slowly, adding water to rivers.
D
Rainfall in an area increases, adding water to rivers.
33

Which phenomenon causes oceans to bulge?

A
the blowing wind
B
the Coriolis effect
C
the moon’s gravity
D
the rotation of Earth
34

Which two characteristics affect ocean water’s temperature?

A
salinity and waves
B
location and depth
C
mass and salinity
D
waves and location
35

Which feature forms as a result of a tectonic plate boundary that creates an underwater mountain range in the open ocean?

A
marsh
B
trench
C
abyssal plain
D
mid-ocean ridge
36

Which ocean movement do power plants use to produce usable energy?

A
currents
B
drifts
C
tides
D
tsunamis
37

Which freshwater source is a permanent shallow body of water with plant life throughout?

A
lake
B
pond
C
reservoir
D
wetland
38

Which factor drives surface ocean currents?

A
wind energy
B
solar energy
C
pull of the moon
D
movement of turbines
39

The image shows a water feature.

Question illustration
A
spring
B
geyser
C
water table
D
artesian well
40

Which phrase describes neap tides?

A
occur four times a day
B
produce extra-low tidal ranges
C
caused only by the pull of the moon
D
occur at the same time as spring tides

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