Transcript Flash Earth - GWA 6th Grade

SPATIAL SENSE
MAPS, GLOBES, & GEOGRAPHIC TOOLS
Core Knowledge
Level 6
Page 1
Today’s Objectives
• Identify the 7
continents.
• Name the major
oceans of Earth.
• Read maps and
globes using latitude
and longitude,
coordinates, and
degrees.
Page 2
The 7 Continents
North America
Europe
Asia
Africa
South America
Australia
Antarctica
Page 3
Major Oceans
3
2
6
1
5
4
7
Page 4
Maps & Globes
• Have you ever compared a globe and a
flat map?
• Did you notice the differences in size of
land masses?
• Size distortions occur when mapmakers
represent our round earth on a flat
surface.
• Think of an orange…
Page 5
Reading a Map
• We use maps to help us locate places and
to measure distances.
• The 4 cardinal directions on a map are:
North, South, East, and West.
• Northeast, Northwest, Southeast, and
Southwest are called intermediate
directions.
• A compass rose is a representation of
these directions on a map or globe.
Page 6
Reading a Map
• How do you locate a spot on Earth’s
surface?
• Where is St. George, UT exactly?
• Maps divide Earth’s surface into a grid
system of lines called coordinates.
• These coordinates measure distance in
degrees of latitude and longitude.
• Grids are helpful when locating places.
Page 7
Latitude
• Parallels are imaginary lines running
east/west on maps and globes; measure
degrees of latitude north and south of
the equator.
• The equator is at 0°
latitude.
• The North Pole is
at 90° north latitude.
• The South Pole is
Page 8
at 90° south latitude.
Longitude
• Meridians are imaginary lines running
north/south on maps and globes; measure
degrees of longitude east and west of
the prime meridian.
• The prime meridian is
at 0° longitude.
• The prime meridian runs
through Greenwich, England
(near London).
Page 9
Today’s Objectives
• Understand that coordinates tell more than
just location.
• Investigate the relationship between
latitudinal lines and climate.
Page 10
What coordinates tell us…
• How far a place is from the equator effects
the climate of the area.
• How far a place is from the prime meridian
tells us the time zone the place is in.
Page 11
Climate Zones
There are 3 basic climate zones…
1. Tropic – low latitude climate
2. Temperate – mid latitude climate
3. Arctic – high latitude climate; aka polar
Page 12
Video 1
Page 13
Video 2
Page 14
Climate Zones
Page 15
Today’s Objectives
• Explore the relationship between
longitudinal lines and time zones.
• Examine the relationship between the
Tropics of Cancer and Capricorn, and the
seasons and temperature.
Page 16
Time Zones
• The Earth is divided into 24 time zones,
corresponding with 24 hours in a day.
• As the earth rotates, the sun shines in
different areas, moving from east to west
(generally speaking) during the course of a
day.
• Places that have relatively the same
longitude will be in the same time zone.
Page 17
Page 18
Page 19
Today’s Objectives
• Understand the Tropics of Cancer and
Capricorn relate to the changing seasons
and temperature.
• Explore the Arctic and Antarctic Circles as
imaginary lines and boundaries of the
polar climates.
Page 20
Tropics of Cancer & Capricorn
• Areas between are known as “The
Tropics”
• Where the imaginary lines lie are where
the tropical climate ends and the
temperate climate begins.
• Each lie at 23.5 degrees latitude.
• The Tropic of Cancer is located at 23.5°
North of the equator.
• The Tropic of Capricorn lies at 23.5° South
Page 21
of the equator.
Tropics of Cancer & Capricorn
• The tropics are where the sun is directly
overhead at noon on the two solstices near June and December 21.
• The reason for the location of the Tropic of
Cancer and the Tropic of Capricorn at
23.5° north and south respectively is due
to the axial tilt of the Earth.
• These areas do not experience seasons
because the sun is always high in the sky.
Page 22
Tropic of Cancer
Page 23
Tropic of Cancer
Page 24
Tropic of Capricorn
Page 25
Tropic of Capricorn
Page 26
Arctic and Antarctic Circles
Page 27