EXAM 5

Question 1

Atmosphere

Answer 1

The mass of gasses surrounding the Earth that is held in place by gravity

Question 2

Weather

Answer 2

the state of the atmosphere at some place and time, usually temp, air pressure, humidity

Question 3

Climate

Answer 3

average weather elements over a specified period of time (30 years)

Question 4

Water Cycle

Answer 4

Water -> Evaporation -> Water Vapor -> Condensation -> Precipitation -> Percolation

Question 5

Evaporation

Answer 5

Water became water vapor

Question 6

Condensation

Answer 6

warm and cold air collide and form ice crystals from water droplets. makes clouds

Question 7

Precipitation

Answer 7

Heavy water clouds and water falls from sky. snow hail rain sleet or glaze

Question 8

Percolation

Answer 8

water seeps through soil and ends in the water table

Question 9

Weather

Answer 9

the lower atmosphere at any given time

Question 10

what contributes to our atmosphere?

Answer 10

Volcanoes

Question 11

what is the atmosphere composed of?

Answer 11

Nitrogen
Oxygen
Argon
CO2

Question 12

How is the atmosphere layered?

Answer 12

thermosphere (outter most)
mesosphere
stratosphere
Troposphere

Question 13

which zone is the ozone layer in?

Answer 13

stratosphere

Question 14

Troposphere

Answer 14

5-9 miles up from earths surface
temp decreases with altitude

Question 15

stratosphere

Answer 15

atmosphere is dry and less dense
temp increases gradually from UV rays
ozone layer is here
stratosphere extends 31 miles high

Question 16

what is the ozone molecule made of?

Answer 16

3 oxygen atoms bonded

Question 17

what is a CFC

Answer 17

chlorofluorocarbons
chemical that deteriorated the ozone
composed of Chlorine, fluorine and carbon

Question 18

what is a dobson unit

Answer 18

DU unit of measure for total ozone

Question 19

The montreal Protocol

Answer 19

an international treaty that phases out and eliminates substances that destroy the ozone
Treaty signed in 1989 and 191 countries agreed to ratification

Question 20

mesosphere

Answer 20

temps are as low as -93 C as you increase altitude starts at stratosphere and extends 53 miles high

Question 21

thermosphere

Answer 21

temps go up as increase in altitude
where the northern lights occur
extends 372 miles high is split into ionosphere and exosphere

Question 22

ionosphere

Answer 22

absorbs cosmic rays gamma rays xrays and uv rays
where auroras occur

Question 23

aurora colors

Answer 23

as the charged electrons from the sun enter earths atmosphere it encounters oxygen and nitrogen particles
oxygen at 60 miles yellow-green
oxygen at 200 miles red
nitrogen is blue and purple

Question 24

factors of weather

Answer 24

pressure, wind, temperature, moisture. The 2 most important are temp and moisture

Question 25

Types of Air Masses in the US

Answer 25

-maritime Polar (seattle or maine area -Continental Polar (montana Chicago) -Continental Tropical (texas, AZ) -Maritime Tropical (key west, cali)

Question 26

what is the 5th air mass?

Answer 26

Continental Arctic

Question 27

high pressure system

Answer 27

pushes down into earth, is very stable and associated with clear skies, rotates clockwise

Question 28

low pressure system

Answer 28

rises up from earth, as rising air cools clouds form, rotates counterclockwise

Question 29

frontal boundary

Answer 29

collision between 2 air masses