Free Printable PHS Earth Science - Weather Regents Review

1.

Base your answer to the question on the weather map to your left and on your knowledge of Earth science. The map of a portion of eastern North America shows a high-pressure center (H) and a low-pressure center (L), frontal boundaries, and present weather conditions.

The general surface wind circulation associated with the high-pressure center (H) is most likely...

a)

clockwise and outward

b)

clockwise and inward

c)

counterclockwise and outward

d)

counterclockwise and inward

2.

Base your answer to the question on the weather map to your left and on your knowledge of Earth science. The map of a portion of eastern North America shows a high-pressure center (H) and a low-pressure center (L), frontal boundaries, and present weather conditions.

Which weather condition is shown along the cold front?

a)

fog

b)

snow

c)

haze

d)

thunderstorms

3.

What is the dewpoint when the dry bulb temperature is 20°C and the relative humidity is 17%?

a)

– 5°C

b)

– 2°C

c)

11°C

d)

15°C

4.

Base your answer to the following question on the graph to the left. The graph shows air temperature and relative humidity at a single location during a 24-hour period.

What was the approximate change in relative humidity from 12 noon to 4 p.m.?

a)

10%

b)

15%

c)

20%

d)

30%

5.

Which weather station model indicates the greatest probability of precipitation?

a)

b)

c)

d)

6.

Liquid water sometimes turns into ice when it comes in contact with Earth's surface. Which present weather symbol on a station model represents this type of precipitation?

a)

b)

c)

d)

7.

What is the relative humidity if the dry-bulb temperature is 16°C and the wet-bulb temperature is 10°C?

a)

45%

b)

33%

c)

14%

d)

4%

8.

Which station model shows an air temperature of 75°F and a barometric pressure of 996.3 mb?

a)

b)

c)

d)

9.

The weather station model shown to the left indicated that winds are coming from the...

a)

southeast at 10 knots

b)

northwest at 10 knots

c)

southeast at 20 knots

d)

northwest at 20 knots

10.

A temperature of 73° Fahrenheit is approximately equal to a temperature of...

a)

17° Celsius

b)

23° Celsius

c)

26° Celsius

d)

162° Celsius

11.

The weather map to the left shows a portion of an air-pressure field at Earth's surface. Isobars show air pressure in millibars.

At which location is windspeed greatest?

a)

A

b)

B

c)

C

d)

D

12.

The map of North America to the left shows the source region of an air mass forming mostly over Mexico.

This air mass originating over Mexico is classified as...

a)

continental polar

b)

continental tropical

c)

maritime polar

d)

maritime tropical

PHS Earth Science - Weather Regents Review

Total questions: 12

Worksheet time: 24mins

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