Choose the Best Answer for Each Question

Choose the best answer for each question.

1. When air is heated, its —

A density increases, forming an area of high pressure

B density increases, forming an area of low pressure

C density decreases, forming an area of high pressure

D density decreases, forming an area of low pressure

2. When air moves from an area of high pressure to an area of low pressure, it causes —

A an increase in temperature

B rain to fall

C the wind to blow

D a decrease in elevation

3. A student heard the weather forecaster on television say that an area of high pressure was located over his region of the state. What type of weather is the area most likely to experience?

A Cold and wet

B Dry and clear

C Stormy

D Cloudy and wet

4. Which of the following wind symbols correctly represents a west wind?

5. What equipment is used to measure wind speed?

A Wind vane

B Barometer

C Psychrometer

D Anemometer

6. When used on a weather map, what does this symbol represent?

A Cloud

B Wind shear

C Warm front

D Cold front

7. An air mass of warm, wet air is called a:

A Cold front

B Warm front

C Low pressure

D High pressure

8. A large mass of cold air moves into an area, resulting in clear skies and low humidity. What is occurring in this area?

A High pressure

B Low pressure

C A drought

D A change in the season

9. A line of tornadoes and thunderstorms sweep through an area. What has occurred to produce such violent storms?

A A massive build up of low air pressure

B A massive build up of high air pressure

C A hurricane forming in the Gulf of Mexico

D A cold front

10. In Austin, the weather has been drizzly, with clouds and has not changed for several days. What type of front is located in Austin?

A A cold front

B A warm front

C A stationary front

D An occluded front