Transcript D1 Globe and Earth Skills PowerPoint

Vocabulary
Rotation
The
earth’s
movement
around its
axis- one is
completed
every 24
hours
Revolution
The
earth’s movement around
the sun- one is completed every
365 and ¼ days
Equator
 The
Horizontal
Line that divides
the earth into
northern and
southern
hemispheres, 0
degrees latitude
Latitude
 A series
of
horizontal lines
used to measure
the distance
north and south
of the equator
also called a
Parallel
Prime Meridian
A
Vertical Line
that divides the
earth into
eastern and
western
hemispheres, 0
degrees
longitude
Longitude
 A series
of
vertical lines
used to measure
the distance east
or west of the
prime meridian
also called
Meridians
Time Zone
 24 Areas
of the earth
measured in
segments of 15
degrees longitude
Each of these areas
represents a
different hour of the
day
Weather
The
typical
temperature
and
precipitation
for a place
over the
course of one
day
Climate
The
typical
temperature
and
precipitation
for a place
over the
course of one
year
Natural Vegetation
The
typical
plant life that
grows
naturally in a
climate zone
Precipitation
Any
form of
water that
falls from the
sky
Equinox
 Twice
a year when the sun is directly
over the equator (Autumn and Spring)
Solstice

Twice a year when the sun is directly over
one of the two tropics Winter and Summer
International Dateline
Line
where
one day turns
into the next,
180 degrees
longitude
Stationary Front
 The
boundary
between two
different air
masses,
neither strong
enough to
replace the
other
Occluded Front
The
boundary
that occurs
when a cold
front overtakes
a warm front
High Pressure
Formed
when
cooler air
sinks and
usually
means dry air
and clear
skies
Low Pressure
 Formed
from
warm air that
is rising and
usually
means cloudy
weather and
precipitation
Leap Year
 A year
containing an
extra day in
order to
make up for
¼ of a day in
the earth’s
revolution