Weathering and Soil — Unit test Answers

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1
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Which describes the two ways that energy is measured?

A
in convection and in temperature
B
in temperature and in radiation
C
in radiation and in convection
D
in wavelength and in temperature
2
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Which belt is a global wind belt found in the middle latitudes?

A
doldrums
B
jet streams
C
trade winds
D
prevailing westerlies
3

Which statement best describes wavelengths of sunlight that are longer than 700 nanometers?

A
These wavelengths form the infrared part of the spectrum.
B
These wavelengths form the ultraviolet light of the spectrum.
C
These wavelengths are shorter than the wavelengths of visible light.
D
These wavelengths are part of the visible light spectrum.
4

Which phrase describes one main feature of the atmosphere?

A
protects Earth’s surface
B
includes organisms in the air, on land, and in water
C
consists of rocks, minerals, landforms, and Earth’s interior
D
comprises oceans, lakes, rivers, streams, and groundwater
5

What leads to the formation of a windchill factor?

A
Earth’s rotation influences air movement along a curved path.
B
Air flows steadily from different directions at certain wind speeds.
C
Warm air rises when an area of high pressure is present over land.
D
There is a change in air temperature and increase in high wind speeds.
6

What percentage of light hits Earth’s surface directly?

A
3 percent
B
5 percent
C
31 percent
D
47 percent
7

Which correctly list the three gases that each make up less than 1 percent of Earth’s atmosphere?

A
argon, water vapor, carbon dioxide
B
oxygen, argon, water vapor
C
nitrogen, oxygen, carbon dioxide
D
carbon dioxide, oxygen, argon
8

Which statement accurately describes the relationship between air pressure, air density, or altitude?

A
As altitude increases, pressure increases.
B
As altitude increases, air density increases.
C
Air pressure and density are lowest at sea level.
D
Denser air exerts more pressure than less dense air.
9

Which correctly lists the three methods of heat transfer?

A
absorption, conduction, convection
B
conduction, convection, radiation
C
convection, absorption, reflection
D
radiation, conduction, reflection
10

Which phrase defines altitude?

A
how tightly molecules are packed
B
a column of air pushing on an area
C
the force pushing on an area or a surface
D
the height of a given point above sea level
11

Which atmospheric layer is where Earth's northern and southern lights occur?

A
mesosphere
B
stratosphere
C
thermosphere
D
troposphere
12

Humans’ use of rocks and minerals as building materials is an example of which interaction?

A
an interaction within the geosphere
B
an interaction within the hydrosphere
C
an interaction between the biosphere and the geosphere
D
an interaction between the biosphere and the atmosphere
13

Which causes a sea breeze?

A
Air temperatures are cooler than normal.
B
Air flows from the poles toward the equator.
C
Air blows over long distances at different speeds.
D
Air above land warms quicker than air over water.
14

Where are jet streams found?

A
close to the poles
B
in the middle latitude
C
toward the equator
D
in the upper atmosphere
15

Which statement describes an interaction between the biosphere and the hydrosphere?

A
Plant roots take in water through their roots.
B
Plants take in carbon dioxide from the air.
C
Energy stored in plants is transferred to humans and animals that eat them.
D
Plants make food through photosynthesis and release oxygen into the atmosphere.

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