Unit 4 - Weather Unit Study Guide

Question 1

atmosphere

Answer 1

the gaseous part of the Earth

Question 2

troposphere

Answer 2

the first layer of the atmosphere where weather occurs

Question 3

stratosphere

Answer 3

the second layer of the atmosphere

Question 4

mesosphere

Answer 4

the third layer of the atmosphere

Question 5

thermosphere

Answer 5

the outer most layer of the atmosphere

Question 6

ozone

Answer 6

the layer of the ozone that protects Earth from the sun’s harmful rays

Question 7

jet stream

Answer 7

air currents that are located in the atmosphere

Question 8

cold front

Answer 8

a mass of cold air that replaces a mass of warm air

Question 9

warm front

Answer 9

a mass of warm air that replaces a mass of cold air

Question 10

occluded front

Answer 10

the combination of a cold front and a warm front

Question 11

humidity

Answer 11

water vapor that is in the air

Question 12

dew

Answer 12

moisture in the air that settles on the ground when the air is cooled

Question 13

water vapor

Answer 13

water that is in the gaseous state

Question 14

cirrus clouds

Answer 14

think and wispy clouds that form at very high altitude above the Earth’s surface

Question 15

Stratus Clouds

Answer 15

long flat clouds that spread across the sky; these clouds usually form at very low altitude.

Question 16

Cumulus Clouds

Answer 16

clouds that are like cotton in appearance; these clouds are sometimes taller the they are wide.

Question 17

Evaporation

Answer 17

when liquid changes into a state of water vapor.

Question 18

Precipitation

Answer 18

water the falls to the earth as rain,sleet,hail, or snow

Question 19

Runoff Water

Answer 19

from precipitation that flows over the ground.

Question 20

Condensation

Answer 20

when gaseous water changes state into a liquid

Question 21

Transpiration

Answer 21

when liquid that is located inside living organisms changes into a state of water vapor

Question 22

Hurricanes

Answer 22

a tropical storm that has wind speeds greater than 74 mph

Question 23

Tornadoes

Answer 23

a rotating column of air that occurs during a thunderstorm

Question 24

Extreme Weather

Answer 24

weather that is different from the normal weather that usually happens

Question 25

climate

Answer 25

The climate of a region refers to long-term average conditions in the region. For instance, the city of Dallas has a humid, hot climate in the summer, and a moderate climate in the winter.

Question 26

weather

Answer 26

the current conditions in the troposphere

Question 27

weather conditions

Answer 27

There are six main components, or parts, of weather. They are temperature, atmospheric pressure, wind, humidity, precipitation, and cloudiness.