Ch 11

Question 1

you probably know that Earth is surrounded by a blanket of air called the ______.

Answer 1

atmosphere

Question 2

the layer closest to Earth’s surface is called the _____.

Answer 2

troposphere

Question 3

______ is the weight of the atmosphere pressing down on Earth.

Answer 3

Air pressure

Question 4

This produces a _____, a wind that results from a local difference in temperature.

Answer 4

local wind

Question 5

_____ are global winds that always blow from the same direction.

Answer 5

prevailing winds

Question 6

In fact, water continuously moves from Earth’s surface to the atmosphere and back to Earth in a process called the water ______.

Answer 6

water cycle

Question 7

During part of the water cycle, liquid water changes to a gas by the process of ______.

Answer 7

evaporation

Question 8

Water changes from a gas to a liquid in the process of ________.

Answer 8

condensation

Question 9

The amount of water vapor in the air is _____.

Answer 9

humidity

Question 10

______ is water that falls from the atmosphere to Earth’s surface.

Answer 10

Precipitation

Question 11

An _____ is a large body of air that has the same temperature and humidity throughout.

Answer 11

air mass

Question 12

The border where two air masses meet is called a _____.

Answer 12

front

Question 13

The pattern of weather an area experiences over a long time is called ____.

Answer 13

climate