Complete List of Terms and Definitions for earth and moon relationships

Terms Definitions
scale distance
evidence of rotation faucalts pendulum, star trails
time zones earth had 24 time zones 15 degrees longitude each
4 time zones in U. S
first quarter the right half of the moon appears lit
contour lines elevation of the surface are shown by contour lines
earth rotates.... counter clockwise
waxing crescent small amount of light appears on the right side
atmosphere air (gas)
78% nitrogen 21% oxygen 1% carbon dioxide , water vapor ,neon , argon, krypton, helium
vernal(spring) neither hemisphere is tilted toward the sun; 12 hours of daylight and 12 hours of night
Period of revolution of earth 365 days 6 hours 9 min : revolves counter clockwise around the sun in a eliptical orbit
latitude angular distance north or south of the equator
north pole 90 degrees north and south pole 90 degrees south
globe most accurate representation of the entire surface of earth
winter solstice earth is approaching perrihelion ;ny has 8 hours of daylight
hydrosphere water (liquid) portion of earth
70% of earths surface 97% of that is salt water and 3% is fresh which is mostly in polar ice caps
equator imaginary line around center of earth that divides earth into 2 equal halves northern and southern hemisphere
waning crescent most of moon is dark except for small amount on the left
new moon appears completely dark from earth;solar eclipses are possible
features of moon highlands-mountains on the moon;maria- dark low lands;temp- 127 degrees Celsius day 173 degrees Celsius night ; no atmospher no weather ; craters caused by meteorites; rilles- long valleys caused by lava flows
magnetism due to earths rotation of solid core ; which is made up of iron and nickel
contour interval difference in elevation from one contour line to the next
length of day depends on hemisphere of earth that faces the sun; equator has 12 hours of daylight year round
waning gibbous small amount of darkness on right side of moon
evidence of revolution we see different constallations at different times of the year and seasons
longitude angular distance east or west of prime meridian
prime meridian 0 degrees
increases 180 degrees e or w
equator and prime meridian lines for that the latitude longitude system
symbols show features
moons period of rotation 27 days 7hrs 43min; earth always sees the same side of the moon
last quarter right side of moon is dark
waxing gibbous most of the right side of the moon is lit
summer solstice june 20th of 21st earth is approaching aphelion ; sun is directly overhead ; ny has 16 hours of daylight ; north pole ha 24 hours of daylight ;southern hemisphere is having winter
circumference of equator 40,000 km
earths moon diameter - 3476 km 1/4 size of earth ; gravitational pull 1/6th of earth; distance from earth 386000 km;solid rock core is iron;4.6billion years old same as earth
3 main features of earth lithosphere, hydrosphere, atmosphere
magnetosphere the magnetic sphere of earth
moon movements counterclockwise elliptical orbit around earth ; phases of moon - caused by the change in moons position reletive to earth and sun ; moon reflects different amounts of sunlight as it revolves causing phases
diameter of earth 756 km at equator
lithosphere ground you walk on; land, solid crust, made up mostly of silicon and oxygen
2 types of crust
continental- crust we walk on
oceanic - crust beneath oceans, more dense than continental crust
full moon entire moon is lit;lunar elipses are possible
autumnal equinox neither hemisphere is tilted toward the sun; 12 hours of daylight 12 hours of night in the whole world
map key meaning of symbols
period of rotation of earth 23 hours 56 min 4 sec
international date line continuation of prime meridian opposite side of globe 180 degrees
when cross line east subtract one day west add one day