Chapter 19 - Weather

Question 0

What do meteorologists use to measure temperature?

Answer 0

Thermometers

Question 1

What is the scientific study of the atmosphere?

Answer 1

Meteorology

Question 2

How are temperatures indicated?

Answer 2

In degrees Fahrenheit or degrees Celcius

Question 3

What is air pressure measured in units of?

Answer 3

Lb/in2 or psi- or N/m2 PASCAL

Question 4

What is the instrument used to measure air pressure?

Answer 4

Barometer

Question 5

What is the direction from which the wind is coming?

Answer 5

Wind direction

Question 6

Where do vanes point?

Answer 6

Into the wind, not toward the direction the wind is going

Question 7

What are wind speeds reported in?

Answer 7

Knots

Question 8

What do they use to measure wind speed?

Answer 8

Anemometer

Question 9

What amount of wind can make air seem cooler?

Answer 9

Any amount of air

Question 10

What is precipitation measured in?

Answer 10

Millimeters or inches of liquid water

Question 11

What do we use to measure precipitation?

Answer 11

Rain gauges

Question 12

Can warmer or cooler air hold more water vapor?

Answer 12

Warmer air

Question 13

How is the fraction of relative humidity expressed?

Answer 13

As a percent

Question 14

What is humidity measured with?

Answer 14

Hygrometers

Question 15

How is wind created?

Answer 15

Air moves from higher to lower pressure

Question 16

What deflects a wind perpendicular to its path over the earth’s surface?

Answer 16

The Coriolis effect

Question 17

Is the Coriolis effect stronger farther away or closer to the equator?

Answer 17

Farther away

Question 18

How do cyclones turn in the Northern Hemisphere?

Answer 18

Counter clockwise

Question 19

What affects wind?

Answer 19

The Coriolis effect

Question 20

What do the prevailing westerlies give the US?

Answer 20

It’s weather

Question 21

Where are most of the winds in the US from?

Answer 21

The west and southwest

Question 22

Where are the horse latitudes?

Answer 22

At 30 degrees latitude either north or south

Question 23

Does land or water absorb energy from the sun more readily?

Answer 23

Land

Question 24

How do the bar-headed geese migrate?

Answer 24

They ride on jet streams

Question 25

What is the dew point?

Answer 25

100% relative humidity

Question 26

What is a cloud?

Answer 26

A mass of extremely tiny liquid water droplets or ice crystals in the air

Question 27

Some cloud droplets remain liquid even down to temperatures of what?

Answer 27

-40 degrees

Question 28

Stratus

Answer 28

Thin layers or sheets

Question 29

Cumulus

Answer 29

Piles or billows

Question 30

Cirrus

Answer 30

High, wispy curls

Question 31

Strato

Answer 31

Less than 1 mile high

Question 32

Alto

Answer 32

1-4 miles high

Question 33

Cirro

Answer 33

4-12 miles high

Question 34

When stratus-like clouds form at ground level we call them what?

Answer 34

Fog

Question 35

What precipitation do cirro clouds make?

Answer 35

None

Question 36

What precips do alto clouds give?

Answer 36

From light to wisps of rain or snow

Question 37

Precips of strato

Answer 37

Light to heavy rain

Question 38

Precips of stratus

Answer 38

Drizzle to steady rain or snow

Question 39

Precips of cirrus

Answer 39

None

Question 40

Precips of cumulus

Answer 40

Infrequent light rain or snow, or fair weather

Question 41

What kind of rain is acidic?

Answer 41

All rain is acidic

Question 42

What is the process of coalescence?

Answer 42

When larger clouds droplets can’t be held up by the air molecules anymore, fall slowly, join with other droplets, and their sizes grow rapidly

Question 43

What are three types of solid precipitation?

Answer 43

Sleet, hail, and snow

Question 44

Is dew precipitation?

Answer 44

NO

Question 45

When a cool surface causes the temperature to drop forms what?

Answer 45

Dew

Question 46

What forms frost?

Answer 46

Water vapor deposition