Unit Test — Cumulative exam Answers

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1
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What electromagnetic wave can cause skin cancer?

A
red light
B
yellow light
C
infrared radiation
D
ultraviolet radiation
2
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Which effect is most likely from a hurricane?

A
damaged homes due to flooding
B
forest fires due to lightning strikes
C
cars sucked in due to a low-pressure center
D
damaged personal property due to hail
3

Which causes an increase in greenhouse gases?

A
change in wind patterns
B
strengthening of hurricanes
C
burning of wood and coal
D
movement of warm ocean waters
4

Which is one factor that contributes to the formation of polar, temperate, and tropical zones?

A
the angle of the Sun’s rays
B
the direction of seasonal winds
C
the presence of prevailing winds
D
the movement of wind near a mountain
5

Which is one characteristic that is used to identify types of metamorphic rocks?

A
color
B
rock size
C
grain arrangement
D
type of rock before metamorphosis
6

Which describes a condition of the neritic zone?

A
few organisms
B
ample sunlight
C
changing salinity
D
frigid temperatures
7

Which option identifies ways that people positively affect Earth’s resources?

A
use cars that emit fewer harmful gases, build dams, and stop using all resources
B
stop using all resources, increase mining efforts, and halt the runoff of factory waste into rivers and streams
C
build dams, use cars that emit fewer harmful gases, and halt the runoff of factory waste into rivers and streams
D
increase mining efforts, build dams, and use cars that emit fewer harmful gases
8

Which two characteristics are shared by all thunderstorms, tornados, and hurricanes?

A
clouds and wind
B
eyes and clouds
C
warm, dry air and wind
D
large waves and warm, dry air
9

Which statement provides the complete explanation of how renewable and nonrenewable resources differ?

A
They differ in the amount they are found in nature.
B
They differ in the rate they are replaced.
C
They differ in the available amount and rate they are used and replaced.
D
They differ in the rate they are used.
10

Where does the energy within the greenhouse effect originate?

A
from convection within the atmosphere
B
from the circular movement of hot and cold air
C
from solar radiation entering the atmosphere
D
from the conduction of heat from the ground to the air
11

Which process is a source of outdoor air pollution?

A
releasing mold particles from an air conditioning vent
B
emitting particles from a dump truck
C
releasing radon gas from a generator
D
emitting carbon monoxide from a heater
13

Which rock is an example of an organic sedimentary rock?

A
iron ore
B
rock salt
C
limestone
D
sandstone
14

Which two processes would most likely cause metamorphic rocks to change into sediments?

A
compaction and erosion
B
cementation and weathering
C
erosion and weathering
D
heating and compaction
15

What is unique about obtaining water from an artesian well?

A
The water is heated by magma or hot rocks.
B
The water is found in an impermeable layer.
C
The water is under pressure naturally and no pump is needed.
D
A mechanical pump must be installed to bring water to the surface.
17

How do changes in wind currents affect the short-term climate in a region?

A
Prevailing winds can cause a milder climate with heavy rain.
B
Global winds can cause a longer summer.
C
Prevailing winds can cause heavy rains or a dry climate.
D
Global winds can cause a longer winter.
18

Chris drew a diagram to compare the ways in which different organisms obtain nitrogen.

Question illustration
A
breathe in from atmosphere
B
produce themselves
C
eat other organisms
D
absorb from soil
19

Which is an example of a local wind?

A
a windchill
B
a jet stream
C
a trade wind
D
a sea breeze

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