Lecture 7

Question 1

an atmospheric science that studies day to day changes in the atmosphere

Answer 1

meteorology

Question 2

the envelope of gas that surrounds the surface of the Earth

Answer 2

atmosphere

Question 3

the air

Answer 3

atmosphere

Question 4

the day to day changes in the atmosphere caused by shifts in temperature, air pressure, and humidity

Answer 4

weather

Question 5

scientist that study atmospheric sciences

Answer 5

meteorologist

Question 6

the study of climate

Answer 6

climatology

Question 7

the study of chemicals in the air

Answer 7

atmospheric chemistry

Question 8

the study of how air behaves

Answer 8

atmospheric physics

Question 9

the study of how oceans interact with weather

Answer 9

hydrometeorology

Question 10

air composition

Answer 10

78% nitrogen gas

21% oxygen gas

0.04% carbon dioxide

0.96% other components like water vapor, dust, smoke, salt, methane, etc.

Question 11

the atmosphere goes from the earth’s surface to _______

Answer 11

7000 km up

Question 12

how many layers are there in atmopshere?

Answer 12

4 layers

Question 13

contains most air

Answer 13

troposphere

Question 14

where most weather occurs

Answer 14

troposphere

Question 15

starts at sea level

Answer 15

troposphere

Question 16

contains the ozone layer that holds back some UV radiation

Answer 16

stratospher

Question 17

slows and burns up meteoroids

Answer 17

mesosphere

Question 18

absorbs some energy from the sun

Answer 18

thermosphere

Question 19

pulls the atmosphere against the surface

Answer 19

planet’s gravity

Question 20

air above pushes down on air below, causing _______

Answer 20

higher concentration in troposphere

Question 21

the concentration of air in the atmosphere increases when ____

Answer 21

closer to sea level

Question 22

major factors that influence weather

Answer 22

temperature
air pressure
wind
moisture

Question 23

the level of heat energy in the air

Answer 23

temperature

Question 24

the amount of pressure (weight) the air exerts due to the concentration of air

Answer 24

air pressure

Question 25

air that moves from high to low pressure

Answer 25

wind

Question 26

the amount of evaporated water in the air

Answer 26

moisture

Question 27

warms the ground and air

Answer 27

solar energy

Question 28

causes water to evaporate

Answer 28

heat

Question 29

what happens when air is heated?

Answer 29

it changes its concentration

Question 30

where does heated and cooler air travel?

Answer 30

to the poles and toward the equator, respectively

Question 31

how many percentage of sun’s energy is reflected back into space?

Answer 31

30%

Question 32

how many percentage of sun’s energy is absorbed by the atmosphere?

Answer 32

20%

Question 33

how many percentage of sun’s energy is absorbed by earth’s surface?

Answer 33

50%