Atmosphere Composition & Layers

Question 1

what is Earth’s atmosphere composed of?

Answer 1

air

Question 2

air is a mixture of…

Answer 2

gases and suspended particles

Question 3

What three gases comprise air?

Answer 3

nitrogen, oxygen, argon

Question 4

In EArth’s atompherse there are small quantities of ____ and _____

Answer 4

CO2, CH4

Question 5

The atmosphere is ______ percent nitrogen and _______ percent oxygen

Answer 5

78, 20

Question 6

what are two trace gases?

Answer 6

carbon dioxide and methane

Question 7

what important properties do some trace gases have?

Answer 7

absorb radiation - protect and warm

Question 8

Trace gases that absorb radiation are called…

Answer 8

greenhouse gases

Question 9

Greenhouse gases are trace gases that absorb ______

Answer 9

radiation

Question 10

What are the four main layers of the atmosphere?

Answer 10

troposphere, stratosphere, mesosphere, thermosphere

Question 11

what are the boundaries in-between the four main layers of the atmosphere called?

Answer 11

pauses

Question 12

pauses are the the_______ of four main layers of the _______

Answer 12

boundaries, atmosphere

Question 13

Which is the lowest layer of the atmosphere?

Answer 13

troposphere

where all human activity occurs.

Question 14

The troposphere is kept warm by Earth’s ______

Answer 14

surface

Question 15

as you go higher in the troposphere, the temperature ______

Answer 15

drops

Question 16

the average rate of temperature drop is called the ________ _______ rate

Answer 16

environmental lapse

Question 17

What is the environmental lapse rate in the troposphere?

Answer 17

drop of 6.5 degrees celsius per 1000m

Question 18

the boundary between the troposphere and the stratosphere is called the …..

Answer 18

tropopause

Question 19

what is located in the stratosphere?

Answer 19

the ozone layer

Question 20

the _______ layer is in the stratosphere

Answer 20

ozone

Question 21

the ozone layer contains ______ gas

Answer 21

ozone

Question 22

Ozone efficiently absorbs UV ______ and ______

Answer 22

light and radiation

Question 23

what does the ozone efficiently absorb?

Answer 23

UV light and radiation

Question 24

why does the temp increase in the stratosphere?

Answer 24

because of all of the absorption of UV light

Question 25

list the four layers of earth's atmosphere and their boundaries in increasing elevation?

Answer 25

troposphere -> tropopause ->stratosphere -> stratopause --> mesosphere -> mesopause -> thermosphere

Question 26

Does temp increase or decrease in troposphere with elevation?

Answer 26

decrease

Question 27

Does temp increase or decrease in stratosphere with elevation?

Answer 27

increase

Question 28

Does temp increase or decrease in mesosphere with elevation?

Answer 28

decrease

Question 29

Does temp increase or decrease in thermosphere with elevation?

Answer 29

increase

Question 30

the ozone layer located in the ______ is a _______ layer of earth because it absorbs UV rays

Answer 30

stratosphere, protective

Question 31

why is the ozone layer a protective layer?

Answer 31

because it does na efficient job absorbing UV Rays

Question 32

ultraviolet Radiation causes...

Answer 32

sunburn

Question 33

over the past 50 years the use of _____________ caused __________ that caused a hole in the ozone layer

Answer 33

chlorofluorocarbon, pollution

Question 34

where are chlorofluorocarbons used in?

Answer 34

refrigerators and arisol containers

Question 35

chlorofluorocarbon pollution caused a hole in which layer?

Answer 35

ozone

Question 36

chlorofluorocarbon _________ caused a _____ in the ozone layer

Answer 36

pollution, hole

Question 37

where is the hole int he ozone layer located?

Answer 37

over the South Pole because of air circulation