Science Unit 8 Test (Pt.1)

Question 1

When are thunderstorms most likely to occur?

Answer 1

at a cold front

Question 2

What kind of weather occurs after a cold front passes?

Answer 2

cold and clear weather

Question 3

What front would you expect to see rain for several days at?

Answer 3

a stationary front

Question 4

What kind of area would have received drizzly rain 1 day ago?

Answer 4

A city in which a warm front has just passed and is still nearby.

Question 5

What kind of pressure is at a warm front?

Answer 5

Low because precipitation is occuring.

Question 6

When would you have sunny skies?

Answer 6

at areas of high pressure (high = happy)

Question 7

What are the lines connecting points of equal air pressure on a weather map called?

Answer 7

isobars

Question 8

What kind of front forms when a cold air mass displaces a warm air mass?

Answer 8

cold front

Question 9

Where are hurricanes most likely to form?

Answer 9

above tropical oceans

Question 10

Which conditions contribute to the decrease of a hurricane’s strength as it moves onto land?

Answer 10

lack of warm, moist air

Question 11

Which What type of air mass would be the most likely to be associated with hurricanes?

Answer 11

maritime tropical (mT)

Question 12

Climates of coastal cities tend to be _____ (compared to inland cities).

Answer 12

more moderate than inland cities

Question 13

Which level of the atmosphere is weather ocuring?

Answer 13

troposphere

Question 14

What happens to the temperature and wind speed as you move up through the troposphere?

Answer 14

temp decreases and wind speed increases (think of a mountain)

Question 15

What direction does the jet stream blow?

Answer 15

west to east

Question 16

Which heats up faster during the day but cools off faster at night, land or water?

Answer 16

land

Question 17

What type of air mass brings cool, moist air?

Answer 17

maritime polar (mP)

Question 18

If cold dry wind is blowing, what type of air mass is it coming from?

Answer 18

continental polar (cP)

Question 19

What atmospheric factors influence global weather patterns?

Answer 19

global winds, jet stream, and air pressure belt

Question 20

The initial source of energy for global winds is _____.

Answer 20

the sun

Question 21

Where else can precipitaion occur other than at a front?

Answer 21

low pressure areas

Question 22

Relative Humidity Equation:

Answer 22

the amount of vapor in the air/the total amount the air can hold

multipy answer by 100

Question 23

What causes the most damage in a hurricane?

Answer 23

storm surge & flooding

Question 24

How does air move?

Answer 24

Areas of high pressure to areas of low pressure

Question 25

The Gulf Stream:

Answer 25

brings warm air to inland cities, moves hurricanes towards the U.S

Question 26

The California Current:

Answer 26

brings cold air to coastal cities

Question 27

High Pressure Weather:

Answer 27

clear, sunny skies

Question 28

Low Pressure Weather:

Answer 28

lousy weather, precipitation

Question 29

La niña:

Answer 29

hurricane, east coast, cooler pacific

Question 30

El niño:

Answer 30

precipitation, west coast, warmer pacific

Question 31

How do you use a chart to find relative humidity?

Answer 31

number of degrees differnce between wet and dry bulb readings.

Question 32

How is an occluded front formed?

Answer 32

a warm front is caught in between two cold fronts, brings large amounts of rain/snow

Question 33

barometer

Answer 33

measures air pressure

Question 34

psychrometer

Answer 34

measures relative humidity

Question 35

anemometer

Answer 35

measures wind speed

Question 36

L to S: hurricane air mass, tornado, and thunderstorm

Answer 36

1. air mass
2. hurricane
3. thunderstorm
4. tornado

Question 37

What increases as altitude increases in the atmosphere?

Answer 37

wind speed