JEG100 Midterm Review Questions with
complete solution
system - correct answer ✔interacting, interdependent parts forming a
complex whole
ellipse - correct answer ✔earth orbiting annually around the sun
parahelion - correct answer ✔the point in orbit when earth is closest to the
sun - jan 3
abhelion - correct answer ✔the point in orbit when earth is furthest from the
sun
electromagnetic radiation - correct answer ✔emitted by all matter with a
temperature
solar wind - correct answer ✔stream of electrically charged particles
produced by the sun
radiation - correct answer ✔energy transmitted as waves of electric and
magnetic oscillations
temperature - correct answer ✔measure of average kinetic energy of
individual molecules in matter
stefan boltzmann law - correct answer ✔constant value x (temperature in
kelvin)^4
,Wien's Displacement Law - correct answer ✔Describes the shift of the
radiant power peak to shorter wavelengths as temperature increases: λmax =
C/T where C is a constant
thermopause - correct answer ✔outer boundary of earths energy system
solar constant - correct answer ✔average insolation at thermopause when
earth is an average distance from the sun
subsolar point - correct answer ✔when sun is directly overhead, only in the
tropics
isolines - correct answer ✔lines linking points in space that follow the same
value
tropics - correct answer ✔between 23.5°N and 23.5°S
tropic of cancer - correct answer ✔23.5°N
tropic of capricorn - correct answer ✔23.5°S
arctic circle - correct answer ✔starts at 66.5°N
antarctic circle - correct answer ✔starts at 66.5°S
axial tilt - correct answer ✔23.5° from the plane of ecliptic
, axial parallelism - correct answer ✔orientation of the axial tilt
eccentricity - correct answer ✔degree of departure from perfect circular orbit
on a scale of 0 to 1
day length - correct answer ✔rotation around earths axis
equator - correct answer ✔where day length is 12 hours yearround
circle of illumination - correct answer ✔day/night circle
equinoxes - correct answer ✔when circle of illumination passes through both
poles, day length is is 12 hours everywhere
location - correct answer ✔specific address/absolute and relative position
region - correct answer ✔uniform physical/human characteristics
movement - correct answer ✔communication/migration/diffusion across the
earths surface
place - correct answer ✔human and physical characteristics of a location
physical geography - correct answer ✔spatial analysis of all physical
elements/processes/systems making up the environment
earth systems science - correct answer ✔seeks to understand earth as a
complete entity
complete solution
system - correct answer ✔interacting, interdependent parts forming a
complex whole
ellipse - correct answer ✔earth orbiting annually around the sun
parahelion - correct answer ✔the point in orbit when earth is closest to the
sun - jan 3
abhelion - correct answer ✔the point in orbit when earth is furthest from the
sun
electromagnetic radiation - correct answer ✔emitted by all matter with a
temperature
solar wind - correct answer ✔stream of electrically charged particles
produced by the sun
radiation - correct answer ✔energy transmitted as waves of electric and
magnetic oscillations
temperature - correct answer ✔measure of average kinetic energy of
individual molecules in matter
stefan boltzmann law - correct answer ✔constant value x (temperature in
kelvin)^4
,Wien's Displacement Law - correct answer ✔Describes the shift of the
radiant power peak to shorter wavelengths as temperature increases: λmax =
C/T where C is a constant
thermopause - correct answer ✔outer boundary of earths energy system
solar constant - correct answer ✔average insolation at thermopause when
earth is an average distance from the sun
subsolar point - correct answer ✔when sun is directly overhead, only in the
tropics
isolines - correct answer ✔lines linking points in space that follow the same
value
tropics - correct answer ✔between 23.5°N and 23.5°S
tropic of cancer - correct answer ✔23.5°N
tropic of capricorn - correct answer ✔23.5°S
arctic circle - correct answer ✔starts at 66.5°N
antarctic circle - correct answer ✔starts at 66.5°S
axial tilt - correct answer ✔23.5° from the plane of ecliptic
, axial parallelism - correct answer ✔orientation of the axial tilt
eccentricity - correct answer ✔degree of departure from perfect circular orbit
on a scale of 0 to 1
day length - correct answer ✔rotation around earths axis
equator - correct answer ✔where day length is 12 hours yearround
circle of illumination - correct answer ✔day/night circle
equinoxes - correct answer ✔when circle of illumination passes through both
poles, day length is is 12 hours everywhere
location - correct answer ✔specific address/absolute and relative position
region - correct answer ✔uniform physical/human characteristics
movement - correct answer ✔communication/migration/diffusion across the
earths surface
place - correct answer ✔human and physical characteristics of a location
physical geography - correct answer ✔spatial analysis of all physical
elements/processes/systems making up the environment
earth systems science - correct answer ✔seeks to understand earth as a
complete entity
