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Unit 6

Total questions: 86

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

Which two gases make up a majority of the Earth’s atmosphere?

a)

argon (Ar)

b)

oxygen (O2)

c)

nitrogen (N2)

d)

carbon dioxide (CO2)

2.

Air's ability to hold water vapor increase as __________ increases.

a)

wind speed

b)

temperature

c)

air pressure

d)

none of the above

3.

The process of a water vapor reaching it dew point and turning into liquid.

a)

precipitation

b)

condensation

c)

evaporation

d)

water vapor

4.

The amount of water vapor in the air

a)

condensation

b)

Precipitation

c)

Saturated

d)

Humidity

5.

Air can become saturated when water vapor is added to the air through

a)

precipitation

b)

condensation

c)

evaporation

6.

What is the process in which a solid changes directly into a gas?

a)

Evaporation

b)

Sublimation

c)

Condensation

d)

Precipitation

7.

The ratio of actual water vapor content of the air to the amount of water vapor needed to reach saturation

a)

Dew point

b)

Absolute humidity

c)

Relative humidity

d)

Precipitation

8.

What is adiabatic cooling?

a)

Air condenses as it rises

b)

Temperature of air increases as it rises and expands

c)

Air condenses as it falls

d)

Temperature of air decreases as it rises and expands

9.

Which is ALWAYS true of fog?

a)

It is thicker than clouds.

b)

It is thinner than clouds.

c)

It forms near the Earth's surface.

d)

It forms overnight.

10.

What is a wispy cloud at high altitudes composed of ice crystals?

a)

Stratus

b)

Cumulus

c)

Cirrus

11.

Which type of clouds are flat and found at low altitudes?

a)

Stratus

b)

Cirrus

c)

Cumulus

12.

Which will hold more water, warm air or cold air?

a)

Warm Air

b)

Cold AIr

13.
Which weather instrument is useful in measuring relative humidity?
a)
barometer
b)
anemometer
c)
psychrometer
d)
wind vane
14.

How does the temperature change as you go up in elevation?

a)

The temperature gets colder as you go up

b)

The temperature gets warmer as you go up

c)

The temperature stays the same as you go up

15.

If warm air and cold air both have same amount of water vapor, which has a lower relative humidity?

a)

Cold air

b)

Warm air

16.

To correctly identify a cloud formation, you must determine the cloud's _____________________

a)

color and composition.

b)

altitude in the sky and shape.

c)

color and shape.

d)

altitude and color.

17.

This phrase means "rain."

a)

Cumulo

b)

Cirrus

c)

Strato

d)

Nimbo

18.

This phrase is referred to as "puffy" or "fluffy."

a)

Cumulo

b)

Cirrus

c)

Strato

d)

Nimbo

19.

What is the process called when water vapor (a gas) becomes a liquid

a)

evaporation

b)

condensation

c)

freezing

d)

melting

20.
Which will most likely form during the condensation process?
a)
rain
b)
hail
c)
clouds
d)
runoff
21.

How are air masses form into clouds? Clouds are form when

a)

cold moist air rises and then cools

b)

warm moist rises, expands and then cools

c)

cold air reaches the lifted condensation level

22.

The temperature at which the air become completely saturated with water vapor is called

a)

humidity

b)

dew point

c)

air density

d)

air pressure

23.

Humidity is the

a)

air density from cold air masses

b)

amount of air pressure in the air.

c)

amount of water vapor present in the air.

d)

concentration of water vapor that form clouds in the air.

24.

Type of cloud associated with thunderstorms and heavy precipitation

a)

stratocumulus

b)

cumulonimbus

c)

nimbostratus

d)

cumulus

25.

The low-level featureless sheet of clouds that sometimes appear in the surface of the Earth in the form of mist or fog.

a)

stratus

b)

cirrus

c)

nimbus

d)

cumulus

26.

Which two conditions are required for cloud formation?

a)

high humidity & warm temperatures

b)

high humidity & cool temperatures

c)

warm temperatures & dust particles

d)

cool temperatures & dust particles

27.

Clouds that look like fluffy, rounded piles of cotton are _________________ clouds.

a)

cirrus

b)

cumulonimbus

c)

cumulus

d)

stratus

28.

Which type of cloud is this?

a)

Cirrus

b)

Stratus

c)

Cumulus

d)

Cumulonimbus

29.

What cloud is the closes to the ground

a)

cirrus

b)

cumulus

c)

nimbus

d)

cumulonimbus

30.

How is a Nimbus cloud described?

a)

wispy, stringy clouds

b)

low, gray rain clouds

c)

puffy, lumpy looking clouds

d)

fatherless looking clouds

31.

How does an Cirrus cloud look?

a)

featureless sheets of clouds

b)

low, gray rain clouds

c)

wispy, stringy clouds

d)

puffy, lumpy looking clouds

32.

When does precipitation occurs?

a)

when enough water droplets have accumulated inside a cloud due to condensation

b)

Rain

c)

Sleet

d)

Snow

33.

Clouds are formed by the process of ______________________.

a)

precipitation

b)

evaporation

c)

condensation

d)

collection

34.
Clouds are made up of tiny drops of ______ or ice. The moisture in the cloud affects the weather.
a)
dust
b)
water
c)
cloud particles
d)
precipitation
35.
This is sometimes called a thunderhead cloud. It looks very tall like mountains and heavy rain comes from it. 
a)
Cumulus
b)
Cirrus
c)
Stratus
d)
Cumulonimbus
36.

Winds always travel from ______ pressure to ______ pressure

a)

High, Low

b)

Low, High

37.
Violent cyclonic storm that develops in tropical regions.
a)
El Nino
b)
Hurricane
c)
Wallaby
38.
In which direction does a hurricane rotate?
a)
clockwise
b)
counterclockwise
c)
north to south
39.
WATCH OR WARNING???Tropical storm poses a threat to coastal areas with 36 hours
a)
WATCH
b)
WARNING
40.
WATCH OR WARNING? Tropical storm conditions are expected in a coastal area within 24 hours
a)
WATCH
b)
WARNING
41.
What is the major source of energy fueling a hurricane?
a)
low pressure system
b)
Heat Energy evaporating from the ocean surface
42.
By what two factors is hurricane strength measured?
a)
wind speed and barometric pressure
b)
damage of storm surge and debris field
43.
Large wall or dome of water that rushes into the coastline as a result of a hurricane making landfall
a)
storm surge
b)
typhoon
44.

A violently rotating column of air in contact with the ground and extending from the base of a thunderstorm.

a)

Funnel Cloud

b)

Tornado

c)

Condensation Funnel

d)

Thunderstorm

45.

A scale of wind damage intensity in which wind speeds are inferred from an analysis of wind damage.

a)

Saffir-Simpson scale

b)

Fujita scale

c)

Wind speed scale

d)

Damage indicator scale

46.
In order for thunderstorms to form, air must be __________.
a)
Stable
b)
Wet
c)
Unstable
d)
Cold
47.
a)
Warm Front
b)
High Air Pressure
c)
Cold Front
d)
High Temperatures
48.
a)
Low Clouds
b)
Low Temperatures
c)
Light Wind
d)
Low Air Pressure
49.
a)
High Air Pressure
b)
High Temperatures
c)
Heavy Rain
d)
Hail
50.
a)
High Pressure
b)
Warm Front
c)
Cold Front
d)
Mountains
51.
High Pressure is associated with this type of weather...
a)
Cloudy/Overcast Weather
b)
Cold Weather
c)
Warm Weather
d)
Fair Weather
52.
Low Pressure is associated with this type of weather...
a)
Cloudy/Overcast Weather
b)
Cold Weather
c)
Warm Weather
d)
Fair Weather
53.
A cold front is approaching Minneapolis. What will happen to the air temperature?
a)
stay the same
b)
increase
c)
decrease
54.
what are isobars?
a)
lines connecting places of equal temperature
b)
lines drawn connecting places of equal pressure
c)
lines drawn to places of different temperatures
d)
lines drawn to places of different pressures
55.
___________is the result of the weight of a column of air pushing on an area.
a)
air pressure
b)
density
c)
volume
d)
none of the above
56.

The movement in the air caused by differences in air pressure ?

a)

Rain

b)

Wind

c)

Air

57.

_______ pressure systems are characterized by sinking air.

a)

High

b)

Low

58.
What direction is the cold front moving?
a)
Northwest
b)
Southeast
c)
Northeast
d)
Southwest
59.

When a cold front moves in

a)

it forces warm air to rise rapidly creating big clouds and likely rain

b)

it pushes against warm air and becomes a stationary front

c)

the cold air goes above the warm air causing a clear sky

d)

it forms a wedge and the warm air slowly rises and may form small clouds

60.

What instrument is used to measure temperature?

a)

Thermometer

b)

Rain Gauge

c)

Wind Sock

61.
What causes warm air to rise?
a)
the fact that it's less dense than cold air 
b)
The fact that it weighs more than cold air 
c)
The fact that it has higher pressure than cold
d)
the fact that its more dense than cold air 
62.
Climate and weather are different concepts, though they are related. How are the concepts of weather and climate different? 
a)
Weather refers to conditions nearer to the ground than climate.
b)
Climate is related to the amount of sunlight; weather is not.
c)
Weather conditions include precipitation, but climate does not.
d)
Climate covers larger areas and longer times than weather. 
63.
Weather data is different than climate data. Which of the following is an example of weather data? 
a)
The average high temperature in May is 21°C in the Midwest of the United States.
b)
Central Australia usually receives less than 110 mm of rainfall all year.
c)
The relative humidity was 24% at noon on July 23 in Tempe, Arizona. 
d)
On average, there is 88 mm of rain in the Gulf Coast region in July.
64.

What is the unit most used as a measure for rainfall?

a)

cm

b)

mm

c)

m

65.

What four elements make up our weather?

a)

rain, snow, hail and mist

b)

precipitation, wind, cloud cover and temperature

c)

rain, heat, windy and overcast

66.

What is the average air pressure at sea level?

a)

1013hPa

b)

1020hPa

c)

1012hPa

d)

1010hPa

67.

Nitrogen makes up (a)   of the air around us.

68.

The percentage of oxygen in the air is (a)  

69.

The main components of air can be separated by the process of (a)  

70.

Presence of carbon dioxide can be identified using

a)

anhydrous copper(II) sulfate

b)

acidified potassium dichromate solution

c)

limewater

d)

hydrated copper(II) sulfate

e)

limestone

71.

Presence of water can be identified using

a)

anhydrous copper(II) sulfate

b)

hydrated copper(II) sulfate

c)

cobalt chloride paper

d)

limewater

e)

limestone

72.

Nitrogen is highly inert due to the presence of a

(a)  

73.

Nitrogen has a higher melting point than oxygen.

a)

True

b)

False

74.

To collect nitrogen from the air in the lab, the oxygen can be removed by reacting it with

a)

a sodium hydroxide solution

b)

copper turnings

c)

water

d)

a calcium chloride solution

75.

Nitrogen in the lab can be collected in TWO ways

a)

upward delivery

b)

downward delivery

c)

over water

d)

test tube

76.

____________ are responsible for the destruction of the ozone layer.

a)

Chlorofluorocarbons

b)

Hydrofluorocarbons

c)

Chlorocarbons

77.

Destruction of the ozone layer can lead to

a)

increased harmful ultraviolet radiation

b)

sunburns on human skin

c)

risk of cataracts

d)

rise in sea levels

e)

all of the above

78.

Greenhouse effect leads to global warming. Explain.

(a)  

79.

Name ONE environmental problem related to global warming.

(a)  

80.

Carbon monoxide can lead to tissue suffocation, since it binds with _____________________ in ________________________, preventing them from carrying ___________________ around the body.

(a)  

81.

Which gases are responsible for acid rain?

a)

Carbon dioxide

b)

Sulfur dioxide

c)

Nitrogen dioxide

d)

Sulfur trioxide

e)

Nitrogen monoxide

82.

The reaction between nitrogen dioxide and water can be represented as follows:

a)

2NO2 (g) + H2O (g) --> 2HNO3 (aq) + HNO2 (aq)

b)

2NO2 (g) + 2H2O (g) --> 2HNO3 (aq) + HNO2 (aq)

c)

2NO2 (g) + H2O (g) --> 2HNO3 (aq)

83.

Name ONE harmful effect of acid rain.

(a)  

84.

Mention TWO methods that can be used to reduce air pollution.

(a)  

85.

Unpolluted rainwater is slightly acidic with a pH of 5.6. What would you expect the pH of polluted rainwater to be?

a)

pH 8.5

b)

pH 4

c)

pH 3

d)

pH 2

86.

What colour change would occur if polluted rainwater is tested with litmus paper?

a)

Red

b)

Blue

c)

Purple

d)

Yellow

e)

Green

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