Evn Exm Flashcards
Which of the following does not make up the solar system?
Constellation
Which sky does the sun rise in and which does it set in?
Rise in the east, Set in the west
How long does it take for the Earth to rotate on its axis?
24 hours
If you look at the Earth from the North Pole, which way would the Earth be spinning?
Conter Clockwise
How much of the Earth receives sunlight at any given moment?
50%
Why is the sun’s energy more diffuse close to the poles than at the equator?
The curvature of the earth
Approximately how much of solar radiation is in the visible light wavelengths?
44%
Approximately how much of solar radiation is in the ultraviolet (UV) wavelengths?
7%
How do greenhouse gases warm the atmosphere?
Trapping Heat
Which of the following is NOT a greenhouse gas?
Argon and Nitrogen
Which greenhouse gas is NOT a natural part of the atmosphere?
CFC
If methane traps more heat (energy) than carbon dioxide (CO2), why is carbon dioxide a more impactful greenhouse gas than methane?
There is more CO2
What is the approximate tilt of Earth’s axis?
23.5
If it is summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?
Winter
If it is fall in the Northern Hemisphere, what season is it in the Southern Hemisphere?
Spring
Which of the following is a date of the Winter Solstice (Northern Hemisphere)?
December 22nd
Which of the following is a date of the Autumnal Equinox (Northern Hemisphere)?
September 22nd
Which of the following is a date of the Vernal Equinox (Northern Hemisphere)?
March 20th
Which of the following is a date of the Summer Solstice (Northern Hemisphere)?
June 22nd
What latitude has the most direct solar radiation during the Autumnal Equinox (Northern Hemisphere)?
The Equator or zero degress
What latitude has the most direct solar radiation during the Winter Solstice (Northern Hemisphere)?
23.5 South
What latitude has the most direct solar radiation during the Vernal Equinox (Northern Hemisphere)?
The Equator
Where is the Tropic of Cancer?
23.5 North
What latitude has the most direct solar radiation during the Summer Solstice (Northern Hemisphere)?
23.5 North
Where is the Tropic of Capricorn
23.5 South
What is an analemma?
Position of the sun over the course of a year. It looks like a uneven figure eight
What is the perihelion and when does it occur?
The point of Earths obit closest to the sun. It happens Jan 3rd
What is the aphelion and when does it occur?
Farthest point from the sun happens on July 4th
