Fronts and Pressure Systems

Question 1

___________________air is dense, or heavy, and sinks.

Answer 1

cool

Question 2

The boundary where two air masses meet is called a ___________.

Answer 2

front

Question 3

_________ air is less dense, or lighter than ________ air and rises.

Answer 3

warm, cool

Question 4

_________________pressure areas tend to have dry, clear weather

Answer 4

High

Question 5

__________________pressure areas tend to have cloudy, wet weather.

Answer 5

Low

Question 6

What occurs when liquid water is heated by the sun and turns into water vapor?

Answer 6

evaporation

Question 7

What occurs when warm, moist air rises into the atmosphere and cools?

Answer 7

condensation

Question 8

__________________________is any form of water that falls from clouds and reaches Earth’s surface.

Answer 8

precipitation

Question 9

Name four forms of precipitation.

Answer 9

rain , snow, sleet, hail

Question 10

An occluded front has three air masses. Name them.

Answer 10

cold, warm, and cold

Question 11

A front causes a change in what?

Answer 11

weather

Question 12

Which front forms when a rapidly moving cold air mass runs into a warm air mass?

Answer 12

cold front

Question 13

Which front forms when a warm air mass runs into a slower cold air mass?

Answer 13

warm front

Question 14

A ____________________ front most often causes thunderstorms.

Answer 14

cold

Question 15

Name the four types of fronts.

Answer 15

stationary, occluded, cold, warm

Question 16

Which front forms where a cold and warm air mass meet, but neither can move the other?

Answer 16

stationary

Question 17

Which front brings many days of clouds and light precipitation?

Answer 17

stationary

Question 18

Which front occurs when a cold air mass meets another cold air mass trapping a warm air mass on top?

Answer 18

occluded

Question 19

Which front brings strong wind, clouds, and steady to heavy precipitation?

Answer 19

occluded